128516872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 280247040

約数和(自身を除く): 151730168

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 271, 317, 374, 542, 634, 748, 1084, 1268, 1496, 2168, 2536, 2981, 3487, 4607, 5389, 5962, 6974, 9214, 10778, 11924, 13948, 18428, 21556, 23848, 27896, 36856, 43112, 50677, 59279, 85907, 101354, 118558, 171814, 202708, 237116, 343628, 405416, 474232, 687256, 944977, 1460419, 1889954, 2920838, 3779908, 5841676, 7559816, 11683352, 16064609, 32129218, 64258436, 128516872]

約数ペア:

[(1, 128516872), (2, 64258436), (4, 32129218), (8, 16064609), (11, 11683352), (17, 7559816), (22, 5841676), (34, 3779908), (44, 2920838), (68, 1889954), (88, 1460419), (136, 944977), (187, 687256), (271, 474232), (317, 405416), (374, 343628), (542, 237116), (634, 202708), (748, 171814), (1084, 118558), (1268, 101354), (1496, 85907), (2168, 59279), (2536, 50677), (2981, 43112), (3487, 36856), (4607, 27896), (5389, 23848), (5962, 21556), (6974, 18428), (9214, 13948), (10778, 11924)]