81236116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 160199424

約数和(自身を除く): 78963308

約数列:

[1, 2, 4, 13, 26, 43, 47, 52, 86, 94, 172, 188, 559, 611, 773, 1118, 1222, 1546, 2021, 2236, 2444, 3092, 4042, 8084, 10049, 20098, 26273, 33239, 36331, 40196, 52546, 66478, 72662, 105092, 132956, 145324, 432107, 472303, 864214, 944606, 1562233, 1728428, 1889212, 3124466, 6248932, 20309029, 40618058, 81236116]

約数ペア:

[(1, 81236116), (2, 40618058), (4, 20309029), (13, 6248932), (26, 3124466), (43, 1889212), (47, 1728428), (52, 1562233), (86, 944606), (94, 864214), (172, 472303), (188, 432107), (559, 145324), (611, 132956), (773, 105092), (1118, 72662), (1222, 66478), (1546, 52546), (2021, 40196), (2236, 36331), (2444, 33239), (3092, 26273), (4042, 20098), (8084, 10049)]