64409930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{495461}}^1$

素因数の和:495481

約数の個数: 16

約数和(自身を含む): 124856424

約数和(自身を除く): 60446494

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 495461, 990922, 2477305, 4954610, 6440993, 12881986, 32204965, 64409930]

約数ペア:

[(1, 64409930), (2, 32204965), (5, 12881986), (10, 6440993), (13, 4954610), (26, 2477305), (65, 990922), (130, 495461)]