2991401296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{10789}}^1$

素因数の和:10884

約数の個数: 80

約数和(自身を含む): 6593466880

約数和(自身を除く): 3602065584

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 344, 403, 496, 559, 688, 806, 1118, 1333, 1612, 2236, 2666, 3224, 4472, 5332, 6448, 8944, 10664, 10789, 17329, 21328, 21578, 34658, 43156, 69316, 86312, 138632, 140257, 172624, 277264, 280514, 334459, 463927, 561028, 668918, 927854, 1122056, 1337836, 1855708, 2244112, 2675672, 3711416, 4347967, 5351344, 6031051, 7422832, 8695934, 12062102, 14381737, 17391868, 24124204, 28763474, 34783736, 48248408, 57526948, 69567472, 96496816, 115053896, 186962581, 230107792, 373925162, 747850324, 1495700648, 2991401296]

約数ペア:

[(1, 2991401296), (2, 1495700648), (4, 747850324), (8, 373925162), (13, 230107792), (16, 186962581), (26, 115053896), (31, 96496816), (43, 69567472), (52, 57526948), (62, 48248408), (86, 34783736), (104, 28763474), (124, 24124204), (172, 17391868), (208, 14381737), (248, 12062102), (344, 8695934), (403, 7422832), (496, 6031051), (559, 5351344), (688, 4347967), (806, 3711416), (1118, 2675672), (1333, 2244112), (1612, 1855708), (2236, 1337836), (2666, 1122056), (3224, 927854), (4472, 668918), (5332, 561028), (6448, 463927), (8944, 334459), (10664, 280514), (10789, 277264), (17329, 172624), (21328, 140257), (21578, 138632), (34658, 86312), (43156, 69316)]