81760252

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47869}}^1$

素因数の和:47941

約数の個数: 24

約数和(自身を含む): 166204640

約数和(自身を除く): 84444388

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 47869, 95738, 191476, 335083, 670166, 1340332, 2920009, 5840018, 11680036, 20440063, 40880126, 81760252]

約数ペア:

[(1, 81760252), (2, 40880126), (4, 20440063), (7, 11680036), (14, 5840018), (28, 2920009), (61, 1340332), (122, 670166), (244, 335083), (427, 191476), (854, 95738), (1708, 47869)]