161040628

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{78787}}^1$

素因数の和:78871

約数の個数: 24

約数和(自身を含む): 326497472

約数和(自身を除く): 165456844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 78787, 157574, 315148, 551509, 1103018, 2206036, 5751451, 11502902, 23005804, 40260157, 80520314, 161040628]

約数ペア:

[(1, 161040628), (2, 80520314), (4, 40260157), (7, 23005804), (14, 11502902), (28, 5751451), (73, 2206036), (146, 1103018), (292, 551509), (511, 315148), (1022, 157574), (2044, 78787)]