138677838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 308689920

約数和(自身を除く): 170012082

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 173, 239, 258, 346, 478, 519, 559, 717, 1038, 1118, 1434, 1677, 2249, 3107, 3354, 4498, 6214, 6747, 7439, 9321, 10277, 13494, 14878, 18642, 20554, 22317, 30831, 41347, 44634, 61662, 82694, 96707, 124041, 133601, 193414, 248082, 267202, 290121, 400803, 537511, 580242, 801606, 1075022, 1612533, 1777921, 3225066, 3555842, 5333763, 10667526, 23112973, 46225946, 69338919, 138677838]

約数ペア:

[(1, 138677838), (2, 69338919), (3, 46225946), (6, 23112973), (13, 10667526), (26, 5333763), (39, 3555842), (43, 3225066), (78, 1777921), (86, 1612533), (129, 1075022), (173, 801606), (239, 580242), (258, 537511), (346, 400803), (478, 290121), (519, 267202), (559, 248082), (717, 193414), (1038, 133601), (1118, 124041), (1434, 96707), (1677, 82694), (2249, 61662), (3107, 44634), (3354, 41347), (4498, 30831), (6214, 22317), (6747, 20554), (7439, 18642), (9321, 14878), (10277, 13494)]