657203690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6473}}^1$

素因数の和:6575

約数の個数: 64

約数和(自身を含む): 1409571072

約数和(自身を除く): 752367382

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 286, 355, 710, 715, 781, 923, 1430, 1562, 1846, 3905, 4615, 6473, 7810, 9230, 10153, 12946, 20306, 32365, 50765, 64730, 71203, 84149, 101530, 142406, 168298, 356015, 420745, 459583, 712030, 841490, 919166, 925639, 1851278, 2297915, 4595830, 4628195, 5055413, 5974579, 9256390, 10110826, 11949158, 25277065, 29872895, 50554130, 59745790, 65720369, 131440738, 328601845, 657203690]

約数ペア:

[(1, 657203690), (2, 328601845), (5, 131440738), (10, 65720369), (11, 59745790), (13, 50554130), (22, 29872895), (26, 25277065), (55, 11949158), (65, 10110826), (71, 9256390), (110, 5974579), (130, 5055413), (142, 4628195), (143, 4595830), (286, 2297915), (355, 1851278), (710, 925639), (715, 919166), (781, 841490), (923, 712030), (1430, 459583), (1562, 420745), (1846, 356015), (3905, 168298), (4615, 142406), (6473, 101530), (7810, 84149), (9230, 71203), (10153, 64730), (12946, 50765), (20306, 32365)]