236990780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911503}}^1$

素因数の和:911525

約数の個数: 24

約数和(自身を含む): 535964352

約数和(自身を除く): 298973572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 911503, 1823006, 3646012, 4557515, 9115030, 11849539, 18230060, 23699078, 47398156, 59247695, 118495390, 236990780]

約数ペア:

[(1, 236990780), (2, 118495390), (4, 59247695), (5, 47398156), (10, 23699078), (13, 18230060), (20, 11849539), (26, 9115030), (52, 4557515), (65, 3646012), (130, 1823006), (260, 911503)]