64857688

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{39937}}^1$

素因数の和:39979

約数の個数: 32

約数和(自身を含む): 143776800

約数和(自身を除く): 78919112

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 39937, 79874, 159748, 279559, 319496, 559118, 1118236, 1158173, 2236472, 2316346, 4632692, 8107211, 9265384, 16214422, 32428844, 64857688]

約数ペア:

[(1, 64857688), (2, 32428844), (4, 16214422), (7, 9265384), (8, 8107211), (14, 4632692), (28, 2316346), (29, 2236472), (56, 1158173), (58, 1118236), (116, 559118), (203, 319496), (232, 279559), (406, 159748), (812, 79874), (1624, 39937)]