71784908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{15511}}^1$

素因数の和:15617

約数の個数: 24

約数和(自身を含む): 136815840

約数和(自身を除く): 65030932

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 15511, 31022, 62044, 201643, 403286, 806572, 1380479, 2760958, 5521916, 17946227, 35892454, 71784908]

約数ペア:

[(1, 71784908), (2, 35892454), (4, 17946227), (13, 5521916), (26, 2760958), (52, 1380479), (89, 806572), (178, 403286), (356, 201643), (1157, 62044), (2314, 31022), (4628, 15511)]