28717494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 62963712

約数和(自身を除く): 34246218

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 169, 223, 254, 338, 381, 446, 507, 669, 762, 1014, 1338, 1651, 2899, 3302, 4953, 5798, 8697, 9906, 17394, 21463, 28321, 37687, 42926, 56642, 64389, 75374, 84963, 113061, 128778, 169926, 226122, 368173, 736346, 1104519, 2209038, 4786249, 9572498, 14358747, 28717494]

約数ペア:

[(1, 28717494), (2, 14358747), (3, 9572498), (6, 4786249), (13, 2209038), (26, 1104519), (39, 736346), (78, 368173), (127, 226122), (169, 169926), (223, 128778), (254, 113061), (338, 84963), (381, 75374), (446, 64389), (507, 56642), (669, 42926), (762, 37687), (1014, 28321), (1338, 21463), (1651, 17394), (2899, 9906), (3302, 8697), (4953, 5798)]