81716424

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4001}}^1$

素因数の和:4070

約数の個数: 64

約数和(自身を含む): 218989440

約数和(自身を除く): 137273016

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 444, 552, 851, 888, 1702, 2553, 3404, 4001, 5106, 6808, 8002, 10212, 12003, 16004, 20424, 24006, 32008, 48012, 92023, 96024, 148037, 184046, 276069, 296074, 368092, 444111, 552138, 592148, 736184, 888222, 1104276, 1184296, 1776444, 2208552, 3404851, 3552888, 6809702, 10214553, 13619404, 20429106, 27238808, 40858212, 81716424]

約数ペア:

[(1, 81716424), (2, 40858212), (3, 27238808), (4, 20429106), (6, 13619404), (8, 10214553), (12, 6809702), (23, 3552888), (24, 3404851), (37, 2208552), (46, 1776444), (69, 1184296), (74, 1104276), (92, 888222), (111, 736184), (138, 592148), (148, 552138), (184, 444111), (222, 368092), (276, 296074), (296, 276069), (444, 184046), (552, 148037), (851, 96024), (888, 92023), (1702, 48012), (2553, 32008), (3404, 24006), (4001, 20424), (5106, 16004), (6808, 12003), (8002, 10212)]