31356078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2221}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 67939872

約数和(自身を除く): 36583794

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 2221, 2353, 4442, 4706, 6663, 7059, 13326, 14118, 28873, 57746, 86619, 173238, 402001, 804002, 1206003, 2412006, 5226013, 10452026, 15678039, 31356078]

約数ペア:

[(1, 31356078), (2, 15678039), (3, 10452026), (6, 5226013), (13, 2412006), (26, 1206003), (39, 804002), (78, 402001), (181, 173238), (362, 86619), (543, 57746), (1086, 28873), (2221, 14118), (2353, 13326), (4442, 7059), (4706, 6663)]