204391495

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 313956000

約数和(自身を除く): 109564505

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 149, 245, 385, 509, 539, 745, 1043, 1639, 2545, 2695, 3563, 5215, 5599, 7301, 8195, 11473, 17815, 24941, 27995, 36505, 39193, 57365, 75841, 80311, 124705, 195965, 274351, 379205, 401555, 530887, 834251, 1371755, 2654435, 3716209, 4171255, 5839757, 18581045, 29198785, 40878299, 204391495]

約数ペア:

[(1, 204391495), (5, 40878299), (7, 29198785), (11, 18581045), (35, 5839757), (49, 4171255), (55, 3716209), (77, 2654435), (149, 1371755), (245, 834251), (385, 530887), (509, 401555), (539, 379205), (745, 274351), (1043, 195965), (1639, 124705), (2545, 80311), (2695, 75841), (3563, 57365), (5215, 39193), (5599, 36505), (7301, 27995), (8195, 24941), (11473, 17815)]