78721068

素因数分解:

$2^2\times 3^1\times {\mathrm{331}}^1\times {\mathrm{19819}}^1$

素因数の和:20157

約数の個数: 24

約数和(自身を含む): 184246720

約数和(自身を除く): 105525652

約数列:

[1, 2, 3, 4, 6, 12, 331, 662, 993, 1324, 1986, 3972, 19819, 39638, 59457, 79276, 118914, 237828, 6560089, 13120178, 19680267, 26240356, 39360534, 78721068]

約数ペア:

[(1, 78721068), (2, 39360534), (3, 26240356), (4, 19680267), (6, 13120178), (12, 6560089), (331, 237828), (662, 118914), (993, 79276), (1324, 59457), (1986, 39638), (3972, 19819)]