31401396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 86147880

約数和(自身を除く): 54746484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 229, 234, 293, 458, 468, 586, 687, 879, 916, 1172, 1374, 1758, 2061, 2637, 2748, 2977, 3516, 3809, 4122, 5274, 5954, 7618, 8244, 8931, 10548, 11427, 11908, 15236, 17862, 22854, 26793, 34281, 35724, 45708, 53586, 67097, 68562, 107172, 134194, 137124, 201291, 268388, 402582, 603873, 805164, 872261, 1207746, 1744522, 2415492, 2616783, 3489044, 5233566, 7850349, 10467132, 15700698, 31401396]

約数ペア:

[(1, 31401396), (2, 15700698), (3, 10467132), (4, 7850349), (6, 5233566), (9, 3489044), (12, 2616783), (13, 2415492), (18, 1744522), (26, 1207746), (36, 872261), (39, 805164), (52, 603873), (78, 402582), (117, 268388), (156, 201291), (229, 137124), (234, 134194), (293, 107172), (458, 68562), (468, 67097), (586, 53586), (687, 45708), (879, 35724), (916, 34281), (1172, 26793), (1374, 22854), (1758, 17862), (2061, 15236), (2637, 11908), (2748, 11427), (2977, 10548), (3516, 8931), (3809, 8244), (4122, 7618), (5274, 5954)]