203842015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{108139}}^1$

素因数の和:108186

約数の個数: 16

約数和(自身を含む): 272512800

約数和(自身を除く): 68670785

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 108139, 540695, 1405807, 3136031, 7029035, 15680155, 40768403, 203842015]

約数ペア:

[(1, 203842015), (5, 40768403), (13, 15680155), (29, 7029035), (65, 3136031), (145, 1405807), (377, 540695), (1885, 108139)]