64642564

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10688

約数の個数: 36

約数和(自身を含む): 135851520

約数和(自身を除く): 71208956

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 10639, 21278, 42556, 74473, 148946, 297892, 329809, 521311, 659618, 1042622, 1319236, 2085244, 2308663, 4617326, 9234652, 16160641, 32321282, 64642564]

約数ペア:

[(1, 64642564), (2, 32321282), (4, 16160641), (7, 9234652), (14, 4617326), (28, 2308663), (31, 2085244), (49, 1319236), (62, 1042622), (98, 659618), (124, 521311), (196, 329809), (217, 297892), (434, 148946), (868, 74473), (1519, 42556), (3038, 21278), (6076, 10639)]