81423288

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18539}}^1$

素因数の和:18612

約数の個数: 48

約数和(自身を含む): 224148600

約数和(自身を除く): 142725312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 18539, 37078, 55617, 74156, 111234, 148312, 166851, 222468, 333702, 444936, 667404, 1130879, 1334808, 2261758, 3392637, 4523516, 6785274, 9047032, 10177911, 13570548, 20355822, 27141096, 40711644, 81423288]

約数ペア:

[(1, 81423288), (2, 40711644), (3, 27141096), (4, 20355822), (6, 13570548), (8, 10177911), (9, 9047032), (12, 6785274), (18, 4523516), (24, 3392637), (36, 2261758), (61, 1334808), (72, 1130879), (122, 667404), (183, 444936), (244, 333702), (366, 222468), (488, 166851), (549, 148312), (732, 111234), (1098, 74156), (1464, 55617), (2196, 37078), (4392, 18539)]