201581512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 440432640

約数和(自身を除く): 238851128

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 127, 136, 187, 254, 374, 508, 748, 1016, 1061, 1397, 1496, 2122, 2159, 2794, 4244, 4318, 5588, 8488, 8636, 11176, 11671, 17272, 18037, 23342, 23749, 36074, 46684, 47498, 72148, 93368, 94996, 134747, 144296, 189992, 198407, 269494, 396814, 538988, 793628, 1077976, 1482217, 1587256, 2290699, 2964434, 4581398, 5928868, 9162796, 11857736, 18325592, 25197689, 50395378, 100790756, 201581512]

約数ペア:

[(1, 201581512), (2, 100790756), (4, 50395378), (8, 25197689), (11, 18325592), (17, 11857736), (22, 9162796), (34, 5928868), (44, 4581398), (68, 2964434), (88, 2290699), (127, 1587256), (136, 1482217), (187, 1077976), (254, 793628), (374, 538988), (508, 396814), (748, 269494), (1016, 198407), (1061, 189992), (1397, 144296), (1496, 134747), (2122, 94996), (2159, 93368), (2794, 72148), (4244, 47498), (4318, 46684), (5588, 36074), (8488, 23749), (8636, 23342), (11176, 18037), (11671, 17272)]