487986317

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 633080448

約数和(自身を除く): 145094131

約数列:

[1, 7, 13, 43, 53, 91, 169, 181, 301, 371, 559, 689, 1183, 1267, 2279, 2353, 3913, 4823, 7267, 7783, 8957, 9593, 15953, 16471, 29627, 30589, 50869, 54481, 62699, 67151, 101179, 124709, 207389, 214123, 385151, 412499, 708253, 872963, 1315327, 1621217, 2696057, 2887493, 5362487, 9207289, 11348519, 37537409, 69712331, 487986317]

約数ペア:

[(1, 487986317), (7, 69712331), (13, 37537409), (43, 11348519), (53, 9207289), (91, 5362487), (169, 2887493), (181, 2696057), (301, 1621217), (371, 1315327), (559, 872963), (689, 708253), (1183, 412499), (1267, 385151), (2279, 214123), (2353, 207389), (3913, 124709), (4823, 101179), (7267, 67151), (7783, 62699), (8957, 54481), (9593, 50869), (15953, 30589), (16471, 29627)]