77831478

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{60901}}^1$

素因数の和:60980

約数の個数: 24

約数和(自身を含む): 171012816

約数和(自身を除く): 93181338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 60901, 121802, 182703, 365406, 548109, 1096218, 4323971, 8647942, 12971913, 25943826, 38915739, 77831478]

約数ペア:

[(1, 77831478), (2, 38915739), (3, 25943826), (6, 12971913), (9, 8647942), (18, 4323971), (71, 1096218), (142, 548109), (213, 365406), (426, 182703), (639, 121802), (1278, 60901)]