290591678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4261}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 488322912

約数和(自身を除く): 197731234

約数列:

[1, 2, 13, 26, 43, 61, 86, 122, 559, 793, 1118, 1586, 2623, 4261, 5246, 8522, 34099, 55393, 68198, 110786, 183223, 259921, 366446, 519842, 2381899, 3378973, 4763798, 6757946, 11176603, 22353206, 145295839, 290591678]

約数ペア:

[(1, 290591678), (2, 145295839), (13, 22353206), (26, 11176603), (43, 6757946), (61, 4763798), (86, 3378973), (122, 2381899), (559, 519842), (793, 366446), (1118, 259921), (1586, 183223), (2623, 110786), (4261, 68198), (5246, 55393), (8522, 34099)]