28661255

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19973}}^1$

素因数の和:20026

約数の個数: 16

約数和(自身を含む): 40267584

約数和(自身を除く): 11606329

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19973, 99865, 139811, 699055, 818893, 4094465, 5732251, 28661255]

約数ペア:

[(1, 28661255), (5, 5732251), (7, 4094465), (35, 818893), (41, 699055), (205, 139811), (287, 99865), (1435, 19973)]