689377936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 1484123760

約数和(自身を除く): 794745824

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 229, 328, 353, 458, 533, 656, 706, 916, 1066, 1412, 1832, 2132, 2824, 2977, 3664, 4264, 4589, 5648, 5954, 8528, 9178, 9389, 11908, 14473, 18356, 18778, 23816, 28946, 36712, 37556, 47632, 57892, 73424, 75112, 80837, 115784, 122057, 150224, 161674, 188149, 231568, 244114, 323348, 376298, 488228, 646696, 752596, 976456, 1050881, 1293392, 1505192, 1952912, 2101762, 3010384, 3314317, 4203524, 6628634, 8407048, 13257268, 16814096, 26514536, 43086121, 53029072, 86172242, 172344484, 344688968, 689377936]

約数ペア:

[(1, 689377936), (2, 344688968), (4, 172344484), (8, 86172242), (13, 53029072), (16, 43086121), (26, 26514536), (41, 16814096), (52, 13257268), (82, 8407048), (104, 6628634), (164, 4203524), (208, 3314317), (229, 3010384), (328, 2101762), (353, 1952912), (458, 1505192), (533, 1293392), (656, 1050881), (706, 976456), (916, 752596), (1066, 646696), (1412, 488228), (1832, 376298), (2132, 323348), (2824, 244114), (2977, 231568), (3664, 188149), (4264, 161674), (4589, 150224), (5648, 122057), (5954, 115784), (8528, 80837), (9178, 75112), (9389, 73424), (11908, 57892), (14473, 47632), (18356, 37556), (18778, 36712), (23816, 28946)]