78236529

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2557}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 125730816

約数和(自身を除く): 47494287

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1457, 2557, 4371, 7671, 10199, 17899, 30597, 53697, 79267, 120179, 237801, 360537, 554869, 841253, 1664607, 2523759, 3725549, 11176647, 26078843, 78236529]

約数ペア:

[(1, 78236529), (3, 26078843), (7, 11176647), (21, 3725549), (31, 2523759), (47, 1664607), (93, 841253), (141, 554869), (217, 360537), (329, 237801), (651, 120179), (987, 79267), (1457, 53697), (2557, 30597), (4371, 17899), (7671, 10199)]