213273676

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3251

約数の個数: 72

約数和(自身を含む): 489065472

約数和(自身を除く): 275791796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 308, 341, 434, 539, 682, 868, 1078, 1364, 1519, 2156, 2387, 3038, 3191, 4774, 6076, 6382, 9548, 12764, 16709, 22337, 33418, 35101, 44674, 66836, 70202, 89348, 98921, 140404, 156359, 197842, 245707, 312718, 395684, 491414, 625436, 692447, 982828, 1088131, 1384894, 1719949, 2176262, 2769788, 3439898, 4352524, 4847129, 6879796, 7616917, 9694258, 15233834, 19388516, 30467668, 53318419, 106636838, 213273676]

約数ペア:

[(1, 213273676), (2, 106636838), (4, 53318419), (7, 30467668), (11, 19388516), (14, 15233834), (22, 9694258), (28, 7616917), (31, 6879796), (44, 4847129), (49, 4352524), (62, 3439898), (77, 2769788), (98, 2176262), (124, 1719949), (154, 1384894), (196, 1088131), (217, 982828), (308, 692447), (341, 625436), (434, 491414), (539, 395684), (682, 312718), (868, 245707), (1078, 197842), (1364, 156359), (1519, 140404), (2156, 98921), (2387, 89348), (3038, 70202), (3191, 66836), (4774, 44674), (6076, 35101), (6382, 33418), (9548, 22337), (12764, 16709)]