138728410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{19457}}^1$

素因数の和:19518

約数の個数: 32

約数和(自身を含む): 268987392

約数和(自身を除く): 130258982

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 19457, 38914, 97285, 194570, 447511, 603167, 895022, 1206334, 2237555, 3015835, 4475110, 6031670, 13872841, 27745682, 69364205, 138728410]

約数ペア:

[(1, 138728410), (2, 69364205), (5, 27745682), (10, 13872841), (23, 6031670), (31, 4475110), (46, 3015835), (62, 2237555), (115, 1206334), (155, 895022), (230, 603167), (310, 447511), (713, 194570), (1426, 97285), (3565, 38914), (7130, 19457)]