68890715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{3229}}^1$

素因数の和:3502

約数の個数: 16

約数和(自身を含む): 87907680

約数和(自身を除く): 19016965

約数列:

[1, 5, 17, 85, 251, 1255, 3229, 4267, 16145, 21335, 54893, 274465, 810479, 4052395, 13778143, 68890715]

約数ペア:

[(1, 68890715), (5, 13778143), (17, 4052395), (85, 810479), (251, 274465), (1255, 54893), (3229, 21335), (4267, 16145)]