81800708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 160392960

約数和(自身を除く): 78592252

約数列:

[1, 2, 4, 11, 22, 44, 79, 101, 158, 202, 233, 316, 404, 466, 869, 932, 1111, 1738, 2222, 2563, 3476, 4444, 5126, 7979, 10252, 15958, 18407, 23533, 31916, 36814, 47066, 73628, 87769, 94132, 175538, 202477, 258863, 351076, 404954, 517726, 809908, 1035452, 1859107, 3718214, 7436428, 20450177, 40900354, 81800708]

約数ペア:

[(1, 81800708), (2, 40900354), (4, 20450177), (11, 7436428), (22, 3718214), (44, 1859107), (79, 1035452), (101, 809908), (158, 517726), (202, 404954), (233, 351076), (316, 258863), (404, 202477), (466, 175538), (869, 94132), (932, 87769), (1111, 73628), (1738, 47066), (2222, 36814), (2563, 31916), (3476, 23533), (4444, 18407), (5126, 15958), (7979, 10252)]