28778456

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3449}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 62100000

約数和(自身を除く): 33321544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 3449, 4172, 6898, 8344, 13796, 24143, 27592, 48286, 96572, 193144, 513901, 1027802, 2055604, 3597307, 4111208, 7194614, 14389228, 28778456]

約数ペア:

[(1, 28778456), (2, 14389228), (4, 7194614), (7, 4111208), (8, 3597307), (14, 2055604), (28, 1027802), (56, 513901), (149, 193144), (298, 96572), (596, 48286), (1043, 27592), (1192, 24143), (2086, 13796), (3449, 8344), (4172, 6898)]