390415012

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{577537}}^1$

素因数の和:577567

約数の個数: 18

約数和(自身を含む): 739826178

約数和(自身を除く): 349411166

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 577537, 1155074, 2310148, 7507981, 15015962, 30031924, 97603753, 195207506, 390415012]

約数ペア:

[(1, 390415012), (2, 195207506), (4, 97603753), (13, 30031924), (26, 15015962), (52, 7507981), (169, 2310148), (338, 1155074), (676, 577537)]