1666180516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59447}}^1$

素因数の和:59489

約数の個数: 72

約数和(自身を含む): 3984918336

約数和(自身を除く): 2318737820

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 14014, 28028, 59447, 118894, 237788, 416129, 653917, 772811, 832258, 1307834, 1545622, 1664516, 2615668, 2912903, 3091244, 4577419, 5409677, 5825806, 8500921, 9154838, 10819354, 11651612, 17001842, 18309676, 21638708, 32041933, 34003684, 37867739, 59506447, 64083866, 75735478, 119012894, 128167732, 151470956, 238025788, 416545129, 833090258, 1666180516]

約数ペア:

[(1, 1666180516), (2, 833090258), (4, 416545129), (7, 238025788), (11, 151470956), (13, 128167732), (14, 119012894), (22, 75735478), (26, 64083866), (28, 59506447), (44, 37867739), (49, 34003684), (52, 32041933), (77, 21638708), (91, 18309676), (98, 17001842), (143, 11651612), (154, 10819354), (182, 9154838), (196, 8500921), (286, 5825806), (308, 5409677), (364, 4577419), (539, 3091244), (572, 2912903), (637, 2615668), (1001, 1664516), (1078, 1545622), (1274, 1307834), (2002, 832258), (2156, 772811), (2548, 653917), (4004, 416129), (7007, 237788), (14014, 118894), (28028, 59447)]