1720294408

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{990953}}^1$

素因数の和:990997

約数の個数: 32

約数和(自身を含む): 3805263360

約数和(自身を除く): 2084968952

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 990953, 1981906, 3963812, 6936671, 7927624, 13873342, 27746684, 30719543, 55493368, 61439086, 122878172, 215036801, 245756344, 430073602, 860147204, 1720294408]

約数ペア:

[(1, 1720294408), (2, 860147204), (4, 430073602), (7, 245756344), (8, 215036801), (14, 122878172), (28, 61439086), (31, 55493368), (56, 30719543), (62, 27746684), (124, 13873342), (217, 7927624), (248, 6936671), (434, 3963812), (868, 1981906), (1736, 990953)]