1644165008

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{238423}}^1$

素因数の和:238862

約数の個数: 20

約数和(自身を含む): 3192974208

約数和(自身を除く): 1548809200

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 238423, 476846, 953692, 1907384, 3814768, 102760313, 205520626, 411041252, 822082504, 1644165008]

約数ペア:

[(1, 1644165008), (2, 822082504), (4, 411041252), (8, 205520626), (16, 102760313), (431, 3814768), (862, 1907384), (1724, 953692), (3448, 476846), (6896, 238423)]