649825938

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{508471}}^1$

素因数の和:508550

約数の個数: 24

約数和(自身を含む): 1427789376

約数和(自身を除く): 777963438

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 508471, 1016942, 1525413, 3050826, 4576239, 9152478, 36101441, 72202882, 108304323, 216608646, 324912969, 649825938]

約数ペア:

[(1, 649825938), (2, 324912969), (3, 216608646), (6, 108304323), (9, 72202882), (18, 36101441), (71, 9152478), (142, 4576239), (213, 3050826), (426, 1525413), (639, 1016942), (1278, 508471)]