664815088

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 1602056192

約数和(自身を除く): 937241104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 43, 56, 61, 62, 73, 86, 112, 122, 124, 146, 172, 217, 244, 248, 292, 301, 344, 427, 434, 488, 496, 511, 584, 602, 688, 854, 868, 976, 1022, 1168, 1204, 1333, 1708, 1736, 1891, 2044, 2263, 2408, 2623, 2666, 3139, 3416, 3472, 3782, 4088, 4453, 4526, 4816, 5246, 5332, 6278, 6832, 7564, 8176, 8906, 9052, 9331, 10492, 10664, 12556, 13237, 15128, 15841, 17812, 18104, 18361, 18662, 20984, 21328, 21973, 25112, 26474, 30256, 31171, 31682, 35624, 36208, 36722, 37324, 41968, 43946, 50224, 52948, 62342, 63364, 71248, 73444, 74648, 81313, 87892, 97309, 105896, 124684, 126728, 138043, 146888, 149296, 162626, 175784, 191479, 194618, 211792, 249368, 253456, 276086, 293776, 325252, 351568, 382958, 389236, 498736, 552172, 569191, 650504, 681163, 765916, 778472, 966301, 1104344, 1138382, 1301008, 1340353, 1362326, 1531832, 1556944, 1932602, 2208688, 2276764, 2680706, 2724652, 3063664, 3865204, 4553528, 5361412, 5449304, 5935849, 7730408, 9107056, 10722824, 10898608, 11871698, 15460816, 21445648, 23743396, 41550943, 47486792, 83101886, 94973584, 166203772, 332407544, 664815088]

約数ペア:

[(1, 664815088), (2, 332407544), (4, 166203772), (7, 94973584), (8, 83101886), (14, 47486792), (16, 41550943), (28, 23743396), (31, 21445648), (43, 15460816), (56, 11871698), (61, 10898608), (62, 10722824), (73, 9107056), (86, 7730408), (112, 5935849), (122, 5449304), (124, 5361412), (146, 4553528), (172, 3865204), (217, 3063664), (244, 2724652), (248, 2680706), (292, 2276764), (301, 2208688), (344, 1932602), (427, 1556944), (434, 1531832), (488, 1362326), (496, 1340353), (511, 1301008), (584, 1138382), (602, 1104344), (688, 966301), (854, 778472), (868, 765916), (976, 681163), (1022, 650504), (1168, 569191), (1204, 552172), (1333, 498736), (1708, 389236), (1736, 382958), (1891, 351568), (2044, 325252), (2263, 293776), (2408, 276086), (2623, 253456), (2666, 249368), (3139, 211792), (3416, 194618), (3472, 191479), (3782, 175784), (4088, 162626), (4453, 149296), (4526, 146888), (4816, 138043), (5246, 126728), (5332, 124684), (6278, 105896), (6832, 97309), (7564, 87892), (8176, 81313), (8906, 74648), (9052, 73444), (9331, 71248), (10492, 63364), (10664, 62342), (12556, 52948), (13237, 50224), (15128, 43946), (15841, 41968), (17812, 37324), (18104, 36722), (18361, 36208), (18662, 35624), (20984, 31682), (21328, 31171), (21973, 30256), (25112, 26474)]