128178304

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{32303}}^1$

素因数の和:32348

約数の個数: 32

約数和(自身を含む): 263600640

約数和(自身を除く): 135422336

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 32303, 64606, 129212, 258424, 516848, 1001393, 1033696, 2002786, 2067392, 4005572, 4134784, 8011144, 16022288, 32044576, 64089152, 128178304]

約数ペア:

[(1, 128178304), (2, 64089152), (4, 32044576), (8, 16022288), (16, 8011144), (31, 4134784), (32, 4005572), (62, 2067392), (64, 2002786), (124, 1033696), (128, 1001393), (248, 516848), (496, 258424), (992, 129212), (1984, 64606), (3968, 32303)]