490575248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1543}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 983318016

約数和(自身を除く): 492742768

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 641, 1282, 1543, 2564, 3086, 5128, 6172, 10256, 12344, 19871, 24688, 39742, 47833, 79484, 95666, 158968, 191332, 317936, 382664, 765328, 989063, 1978126, 3956252, 7912504, 15825008, 30660953, 61321906, 122643812, 245287624, 490575248]

約数ペア:

[(1, 490575248), (2, 245287624), (4, 122643812), (8, 61321906), (16, 30660953), (31, 15825008), (62, 7912504), (124, 3956252), (248, 1978126), (496, 989063), (641, 765328), (1282, 382664), (1543, 317936), (2564, 191332), (3086, 158968), (5128, 95666), (6172, 79484), (10256, 47833), (12344, 39742), (19871, 24688)]