2109091856

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{624731}}^1$

素因数の和:624950

約数の個数: 20

約数和(自身を含む): 4105738704

約数和(自身を除く): 1996646848

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 624731, 1249462, 2498924, 4997848, 9995696, 131818241, 263636482, 527272964, 1054545928, 2109091856]

約数ペア:

[(1, 2109091856), (2, 1054545928), (4, 527272964), (8, 263636482), (16, 131818241), (211, 9995696), (422, 4997848), (844, 2498924), (1688, 1249462), (3376, 624731)]