81235588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{10039}}^1$

素因数の和:10084

約数の個数: 36

約数和(自身を含む): 172607680

約数和(自身を除く): 91372092

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 4046, 8092, 10039, 20078, 40156, 70273, 140546, 170663, 281092, 341326, 682652, 1194641, 2389282, 2901271, 4778564, 5802542, 11605084, 20308897, 40617794, 81235588]

約数ペア:

[(1, 81235588), (2, 40617794), (4, 20308897), (7, 11605084), (14, 5802542), (17, 4778564), (28, 2901271), (34, 2389282), (68, 1194641), (119, 682652), (238, 341326), (289, 281092), (476, 170663), (578, 140546), (1156, 70273), (2023, 40156), (4046, 20078), (8092, 10039)]