397017964

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 807105600

約数和(自身を除く): 410087636

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 313, 356, 509, 623, 626, 1018, 1246, 1252, 2036, 2191, 2492, 3563, 4382, 7126, 8764, 14252, 27857, 45301, 55714, 90602, 111428, 159317, 181204, 194999, 317107, 318634, 389998, 634214, 637268, 779996, 1115219, 1268428, 2230438, 4460876, 14179213, 28358426, 56716852, 99254491, 198508982, 397017964]

約数ペア:

[(1, 397017964), (2, 198508982), (4, 99254491), (7, 56716852), (14, 28358426), (28, 14179213), (89, 4460876), (178, 2230438), (313, 1268428), (356, 1115219), (509, 779996), (623, 637268), (626, 634214), (1018, 389998), (1246, 318634), (1252, 317107), (2036, 194999), (2191, 181204), (2492, 159317), (3563, 111428), (4382, 90602), (7126, 55714), (8764, 45301), (14252, 27857)]