397696

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 856800

約数和(自身を除く): 459104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 239, 416, 478, 832, 956, 1664, 1912, 3107, 3824, 6214, 7648, 12428, 15296, 24856, 30592, 49712, 99424, 198848, 397696]

約数ペア:

[(1, 397696), (2, 198848), (4, 99424), (8, 49712), (13, 30592), (16, 24856), (26, 15296), (32, 12428), (52, 7648), (64, 6214), (104, 3824), (128, 3107), (208, 1912), (239, 1664), (416, 956), (478, 832)]