128981886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 293455872

約数和(自身を除く): 164473986

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 121, 186, 242, 341, 363, 521, 682, 726, 1023, 1042, 1331, 1563, 2046, 2662, 3126, 3751, 3993, 5731, 7502, 7986, 11253, 11462, 16151, 17193, 22506, 32302, 34386, 41261, 48453, 63041, 82522, 96906, 123783, 126082, 177661, 189123, 247566, 355322, 378246, 532983, 693451, 1065966, 1386902, 1954271, 2080353, 3908542, 4160706, 5862813, 11725626, 21496981, 42993962, 64490943, 128981886]

約数ペア:

[(1, 128981886), (2, 64490943), (3, 42993962), (6, 21496981), (11, 11725626), (22, 5862813), (31, 4160706), (33, 3908542), (62, 2080353), (66, 1954271), (93, 1386902), (121, 1065966), (186, 693451), (242, 532983), (341, 378246), (363, 355322), (521, 247566), (682, 189123), (726, 177661), (1023, 126082), (1042, 123783), (1331, 96906), (1563, 82522), (2046, 63041), (2662, 48453), (3126, 41261), (3751, 34386), (3993, 32302), (5731, 22506), (7502, 17193), (7986, 16151), (11253, 11462)]