1288446995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1\times {\mathrm{20143}}^1$

素因数の和:21322

約数の個数: 16

約数和(自身を含む): 1688228352

約数和(自身を除く): 399781357

約数列:

[1, 5, 11, 55, 1163, 5815, 12793, 20143, 63965, 100715, 221573, 1107865, 23426309, 117131545, 257689399, 1288446995]

約数ペア:

[(1, 1288446995), (5, 257689399), (11, 117131545), (55, 23426309), (1163, 1107865), (5815, 221573), (12793, 100715), (20143, 63965)]