628996810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{68147}}^1$

素因数の和:68238

約数の個数: 32

約数和(自身を含む): 1236477312

約数和(自身を除く): 607480502

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 68147, 136294, 340735, 681470, 885911, 1771822, 4429555, 4838437, 8859110, 9676874, 24192185, 48384370, 62899681, 125799362, 314498405, 628996810]

約数ペア:

[(1, 628996810), (2, 314498405), (5, 125799362), (10, 62899681), (13, 48384370), (26, 24192185), (65, 9676874), (71, 8859110), (130, 4838437), (142, 4429555), (355, 1771822), (710, 885911), (923, 681470), (1846, 340735), (4615, 136294), (9230, 68147)]