81697330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{57131}}^1$

素因数の和:57162

約数の個数: 32

約数和(自身を含む): 172767168

約数和(自身を除く): 91069838

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 57131, 114262, 285655, 571310, 628441, 742703, 1256882, 1485406, 3142205, 3713515, 6284410, 7427030, 8169733, 16339466, 40848665, 81697330]

約数ペア:

[(1, 81697330), (2, 40848665), (5, 16339466), (10, 8169733), (11, 7427030), (13, 6284410), (22, 3713515), (26, 3142205), (55, 1485406), (65, 1256882), (110, 742703), (130, 628441), (143, 571310), (286, 285655), (715, 114262), (1430, 57131)]