16778944

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 112

約数和(自身を含む): 42558208

約数和(自身を除く): 25779264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 64, 67, 86, 91, 104, 112, 134, 172, 182, 208, 224, 268, 301, 344, 364, 416, 448, 469, 536, 559, 602, 688, 728, 832, 871, 938, 1072, 1118, 1204, 1376, 1456, 1742, 1876, 2144, 2236, 2408, 2752, 2881, 2912, 3484, 3752, 3913, 4288, 4472, 4816, 5762, 5824, 6097, 6968, 7504, 7826, 8944, 9632, 11524, 12194, 13936, 15008, 15652, 17888, 19264, 20167, 23048, 24388, 27872, 30016, 31304, 35776, 37453, 40334, 46096, 48776, 55744, 62608, 74906, 80668, 92192, 97552, 125216, 149812, 161336, 184384, 195104, 250432, 262171, 299624, 322672, 390208, 524342, 599248, 645344, 1048684, 1198496, 1290688, 2097368, 2396992, 4194736, 8389472, 16778944]

約数ペア:

[(1, 16778944), (2, 8389472), (4, 4194736), (7, 2396992), (8, 2097368), (13, 1290688), (14, 1198496), (16, 1048684), (26, 645344), (28, 599248), (32, 524342), (43, 390208), (52, 322672), (56, 299624), (64, 262171), (67, 250432), (86, 195104), (91, 184384), (104, 161336), (112, 149812), (134, 125216), (172, 97552), (182, 92192), (208, 80668), (224, 74906), (268, 62608), (301, 55744), (344, 48776), (364, 46096), (416, 40334), (448, 37453), (469, 35776), (536, 31304), (559, 30016), (602, 27872), (688, 24388), (728, 23048), (832, 20167), (871, 19264), (938, 17888), (1072, 15652), (1118, 15008), (1204, 13936), (1376, 12194), (1456, 11524), (1742, 9632), (1876, 8944), (2144, 7826), (2236, 7504), (2408, 6968), (2752, 6097), (2881, 5824), (2912, 5762), (3484, 4816), (3752, 4472), (3913, 4288)]