640051566338

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{4523}}^1\times {\mathrm{434081}}^1$

素因数の和:438769

約数の個数: 16

約数和(自身を含む): 966183188256

約数和(自身を除く): 326131621918

約数列:

[1, 2, 163, 326, 4523, 9046, 434081, 737249, 868162, 1474498, 70755203, 141510406, 1963348363, 3926696726, 320025783169, 640051566338]

約数ペア:

[(1, 640051566338), (2, 320025783169), (163, 3926696726), (326, 1963348363), (4523, 141510406), (9046, 70755203), (434081, 1474498), (737249, 868162)]