71265922

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 142490880

約数和(自身を除く): 71224958

約数列:

[1, 2, 7, 13, 14, 19, 26, 37, 38, 74, 91, 133, 182, 247, 259, 266, 481, 494, 518, 557, 703, 962, 1114, 1406, 1729, 3367, 3458, 3899, 4921, 6734, 7241, 7798, 9139, 9842, 10583, 14482, 18278, 20609, 21166, 41218, 50687, 63973, 74081, 101374, 127946, 137579, 144263, 148162, 267917, 275158, 288526, 391571, 535834, 783142, 963053, 1875419, 1926106, 2740997, 3750838, 5090423, 5481994, 10180846, 35632961, 71265922]

約数ペア:

[(1, 71265922), (2, 35632961), (7, 10180846), (13, 5481994), (14, 5090423), (19, 3750838), (26, 2740997), (37, 1926106), (38, 1875419), (74, 963053), (91, 783142), (133, 535834), (182, 391571), (247, 288526), (259, 275158), (266, 267917), (481, 148162), (494, 144263), (518, 137579), (557, 127946), (703, 101374), (962, 74081), (1114, 63973), (1406, 50687), (1729, 41218), (3367, 21166), (3458, 20609), (3899, 18278), (4921, 14482), (6734, 10583), (7241, 9842), (7798, 9139)]