203416590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521581}}^1$

素因数の和:521604

約数の個数: 32

約数和(自身を含む): 525754656

約数和(自身を除く): 322338066

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 521581, 1043162, 1564743, 2607905, 3129486, 5215810, 6780553, 7823715, 13561106, 15647430, 20341659, 33902765, 40683318, 67805530, 101708295, 203416590]

約数ペア:

[(1, 203416590), (2, 101708295), (3, 67805530), (5, 40683318), (6, 33902765), (10, 20341659), (13, 15647430), (15, 13561106), (26, 7823715), (30, 6780553), (39, 5215810), (65, 3129486), (78, 2607905), (130, 1564743), (195, 1043162), (390, 521581)]