17960017621

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1\times {\mathrm{4603}}^1$

素因数の和:5485

約数の個数: 32

約数和(自身を含む): 22554443520

約数和(自身を除く): 4594425899

約数列:

[1, 7, 13, 53, 91, 371, 689, 809, 4603, 4823, 5663, 10517, 32221, 42877, 59839, 73619, 243959, 300139, 418873, 557401, 1707713, 3171467, 3723827, 3901807, 22200269, 26066789, 48409751, 197362831, 338868257, 1381539817, 2565716803, 17960017621]

約数ペア:

[(1, 17960017621), (7, 2565716803), (13, 1381539817), (53, 338868257), (91, 197362831), (371, 48409751), (689, 26066789), (809, 22200269), (4603, 3901807), (4823, 3723827), (5663, 3171467), (10517, 1707713), (32221, 557401), (42877, 418873), (59839, 300139), (73619, 243959)]