2688378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2$

素因数の和:80

約数の個数: 72

約数和(自身を含む): 7060704

約数和(自身を除く): 4372326

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 121, 138, 154, 161, 231, 242, 253, 322, 363, 462, 483, 506, 529, 726, 759, 847, 966, 1058, 1518, 1587, 1694, 1771, 2541, 2783, 3174, 3542, 3703, 5082, 5313, 5566, 5819, 7406, 8349, 10626, 11109, 11638, 16698, 17457, 19481, 22218, 34914, 38962, 40733, 58443, 64009, 81466, 116886, 122199, 128018, 192027, 244398, 384054, 448063, 896126, 1344189, 2688378]

約数ペア:

[(1, 2688378), (2, 1344189), (3, 896126), (6, 448063), (7, 384054), (11, 244398), (14, 192027), (21, 128018), (22, 122199), (23, 116886), (33, 81466), (42, 64009), (46, 58443), (66, 40733), (69, 38962), (77, 34914), (121, 22218), (138, 19481), (154, 17457), (161, 16698), (231, 11638), (242, 11109), (253, 10626), (322, 8349), (363, 7406), (462, 5819), (483, 5566), (506, 5313), (529, 5082), (726, 3703), (759, 3542), (847, 3174), (966, 2783), (1058, 2541), (1518, 1771), (1587, 1694)]