31369738

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 48021480

約数和(自身を除く): 16651742

約数列:

[1, 2, 61, 122, 389, 661, 778, 1322, 23729, 40321, 47458, 80642, 257129, 514258, 15684869, 31369738]

約数ペア:

[(1, 31369738), (2, 15684869), (61, 514258), (122, 257129), (389, 80642), (661, 47458), (778, 40321), (1322, 23729)]