81121730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1733}}^1$

素因数の和:1922

約数の個数: 32

約数和(自身を含む): 151815168

約数和(自身を除く): 70693438

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 755, 1510, 1733, 3466, 4681, 8665, 9362, 17330, 23405, 46810, 53723, 107446, 261683, 268615, 523366, 537230, 1308415, 2616830, 8112173, 16224346, 40560865, 81121730]

約数ペア:

[(1, 81121730), (2, 40560865), (5, 16224346), (10, 8112173), (31, 2616830), (62, 1308415), (151, 537230), (155, 523366), (302, 268615), (310, 261683), (755, 107446), (1510, 53723), (1733, 46810), (3466, 23405), (4681, 17330), (8665, 9362)]