12561590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 23417856

約数和(自身を除く): 10856266

約数列:

[1, 2, 5, 10, 43, 86, 131, 215, 223, 262, 430, 446, 655, 1115, 1310, 2230, 5633, 9589, 11266, 19178, 28165, 29213, 47945, 56330, 58426, 95890, 146065, 292130, 1256159, 2512318, 6280795, 12561590]

約数ペア:

[(1, 12561590), (2, 6280795), (5, 2512318), (10, 1256159), (43, 292130), (86, 146065), (131, 95890), (215, 58426), (223, 56330), (262, 47945), (430, 29213), (446, 28165), (655, 19178), (1115, 11266), (1310, 9589), (2230, 5633)]