428788528

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{123499}}^1$

素因数の和:123545

約数の個数: 40

約数和(自身を含む): 980096000

約数和(自身を除く): 551307472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 123499, 246998, 493996, 864493, 987992, 1728986, 1975984, 3457972, 3828469, 6915944, 7656938, 13831888, 15313876, 26799283, 30627752, 53598566, 61255504, 107197132, 214394264, 428788528]

約数ペア:

[(1, 428788528), (2, 214394264), (4, 107197132), (7, 61255504), (8, 53598566), (14, 30627752), (16, 26799283), (28, 15313876), (31, 13831888), (56, 7656938), (62, 6915944), (112, 3828469), (124, 3457972), (217, 1975984), (248, 1728986), (434, 987992), (496, 864493), (868, 493996), (1736, 246998), (3472, 123499)]