28626416

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19689

約数の個数: 40

約数和(自身を含む): 68266464

約数和(自身を除く): 39640048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19661, 39322, 78644, 137627, 157288, 255593, 275254, 314576, 511186, 550508, 1022372, 1101016, 1789151, 2044744, 2202032, 3578302, 4089488, 7156604, 14313208, 28626416]

約数ペア:

[(1, 28626416), (2, 14313208), (4, 7156604), (7, 4089488), (8, 3578302), (13, 2202032), (14, 2044744), (16, 1789151), (26, 1101016), (28, 1022372), (52, 550508), (56, 511186), (91, 314576), (104, 275254), (112, 255593), (182, 157288), (208, 137627), (364, 78644), (728, 39322), (1456, 19661)]