28690396

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 60177600

約数和(自身を除く): 31487204

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 356, 397, 406, 623, 794, 812, 1246, 1588, 2492, 2581, 2779, 5162, 5558, 10324, 11116, 11513, 18067, 23026, 35333, 36134, 46052, 70666, 72268, 80591, 141332, 161182, 247331, 322364, 494662, 989324, 1024657, 2049314, 4098628, 7172599, 14345198, 28690396]

約数ペア:

[(1, 28690396), (2, 14345198), (4, 7172599), (7, 4098628), (14, 2049314), (28, 1024657), (29, 989324), (58, 494662), (89, 322364), (116, 247331), (178, 161182), (203, 141332), (356, 80591), (397, 72268), (406, 70666), (623, 46052), (794, 36134), (812, 35333), (1246, 23026), (1588, 18067), (2492, 11513), (2581, 11116), (2779, 10324), (5162, 5558)]