201663215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2441}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 275692032

約数和(自身を除く): 74028817

約数列:

[1, 5, 13, 31, 41, 65, 155, 205, 403, 533, 1271, 2015, 2441, 2665, 6355, 12205, 16523, 31733, 75671, 82615, 100081, 158665, 378355, 500405, 983723, 1301053, 3102511, 4918615, 6505265, 15512555, 40332643, 201663215]

約数ペア:

[(1, 201663215), (5, 40332643), (13, 15512555), (31, 6505265), (41, 4918615), (65, 3102511), (155, 1301053), (205, 983723), (403, 500405), (533, 378355), (1271, 158665), (2015, 100081), (2441, 82615), (2665, 75671), (6355, 31733), (12205, 16523)]