398022488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{25423}}^1$

素因数の和:25551

約数の個数: 32

約数和(自身を含む): 793228800

約数和(自身を除く): 395206312

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1957, 3914, 7828, 15656, 25423, 50846, 101692, 203384, 483037, 966074, 1932148, 2618569, 3864296, 5237138, 10474276, 20948552, 49752811, 99505622, 199011244, 398022488]

約数ペア:

[(1, 398022488), (2, 199011244), (4, 99505622), (8, 49752811), (19, 20948552), (38, 10474276), (76, 5237138), (103, 3864296), (152, 2618569), (206, 1932148), (412, 966074), (824, 483037), (1957, 203384), (3914, 101692), (7828, 50846), (15656, 25423)]