81619304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2371}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 165375840

約数和(自身を除く): 83756536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 331, 662, 1324, 2371, 2648, 4303, 4742, 8606, 9484, 17212, 18968, 30823, 34424, 61646, 123292, 246584, 784801, 1569602, 3139204, 6278408, 10202413, 20404826, 40809652, 81619304]

約数ペア:

[(1, 81619304), (2, 40809652), (4, 20404826), (8, 10202413), (13, 6278408), (26, 3139204), (52, 1569602), (104, 784801), (331, 246584), (662, 123292), (1324, 61646), (2371, 34424), (2648, 30823), (4303, 18968), (4742, 17212), (8606, 9484)]