28420856

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 54378000

約数和(自身を除く): 25957144

約数列:

[1, 2, 4, 8, 113, 149, 211, 226, 298, 422, 452, 596, 844, 904, 1192, 1688, 16837, 23843, 31439, 33674, 47686, 62878, 67348, 95372, 125756, 134696, 190744, 251512, 3552607, 7105214, 14210428, 28420856]

約数ペア:

[(1, 28420856), (2, 14210428), (4, 7105214), (8, 3552607), (113, 251512), (149, 190744), (211, 134696), (226, 125756), (298, 95372), (422, 67348), (452, 62878), (596, 47686), (844, 33674), (904, 31439), (1192, 23843), (1688, 16837)]