31986778

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2693

約数の個数: 16

約数和(自身を含む): 49222080

約数和(自身を除く): 17235302

約数列:

[1, 2, 71, 89, 142, 178, 2531, 5062, 6319, 12638, 179701, 225259, 359402, 450518, 15993389, 31986778]

約数ペア:

[(1, 31986778), (2, 15993389), (71, 450518), (89, 359402), (142, 225259), (178, 179701), (2531, 12638), (5062, 6319)]