1391590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:172

約数の個数: 24

約数和(自身を含む): 2624832

約数和(自身を除く): 1233242

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 2077, 4154, 4489, 8978, 10385, 20770, 22445, 44890, 139159, 278318, 695795, 1391590]

約数ペア:

[(1, 1391590), (2, 695795), (5, 278318), (10, 139159), (31, 44890), (62, 22445), (67, 20770), (134, 10385), (155, 8978), (310, 4489), (335, 4154), (670, 2077)]