72478408

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 138165120

約数和(自身を除く): 65686712

約数列:

[1, 2, 4, 8, 101, 202, 271, 331, 404, 542, 662, 808, 1084, 1324, 2168, 2648, 27371, 33431, 54742, 66862, 89701, 109484, 133724, 179402, 218968, 267448, 358804, 717608, 9059801, 18119602, 36239204, 72478408]

約数ペア:

[(1, 72478408), (2, 36239204), (4, 18119602), (8, 9059801), (101, 717608), (202, 358804), (271, 267448), (331, 218968), (404, 179402), (542, 133724), (662, 109484), (808, 89701), (1084, 66862), (1324, 54742), (2168, 33431), (2648, 27371)]