27906890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4159}}^1$

素因数の和:4238

約数の個数: 32

約数和(自身を含む): 55710720

約数和(自身を除く): 27803830

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 4159, 6710, 8318, 20795, 41590, 45749, 91498, 228745, 253699, 457490, 507398, 1268495, 2536990, 2790689, 5581378, 13953445, 27906890]

約数ペア:

[(1, 27906890), (2, 13953445), (5, 5581378), (10, 2790689), (11, 2536990), (22, 1268495), (55, 507398), (61, 457490), (110, 253699), (122, 228745), (305, 91498), (610, 45749), (671, 41590), (1342, 20795), (3355, 8318), (4159, 6710)]