399634522

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{23417}}^1$

素因数の和:23502

約数の個数: 32

約数和(自身を含む): 728393472

約数和(自身を除く): 328758950

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1219, 2438, 8533, 17066, 23417, 46834, 163919, 327838, 538591, 1077182, 1241101, 2482202, 3770137, 7540274, 8687707, 17375414, 28545323, 57090646, 199817261, 399634522]

約数ペア:

[(1, 399634522), (2, 199817261), (7, 57090646), (14, 28545323), (23, 17375414), (46, 8687707), (53, 7540274), (106, 3770137), (161, 2482202), (322, 1241101), (371, 1077182), (742, 538591), (1219, 327838), (2438, 163919), (8533, 46834), (17066, 23417)]