1980100199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{18329}}^1$

素因数の和:18431

約数の個数: 32

約数和(自身を含む): 2618403840

約数和(自身を除く): 638303641

約数列:

[1, 7, 11, 23, 61, 77, 161, 253, 427, 671, 1403, 1771, 4697, 9821, 15433, 18329, 108031, 128303, 201619, 421567, 1118069, 1411333, 2950969, 4637237, 7826483, 12298759, 25715587, 32460659, 86091313, 180009109, 282871457, 1980100199]

約数ペア:

[(1, 1980100199), (7, 282871457), (11, 180009109), (23, 86091313), (61, 32460659), (77, 25715587), (161, 12298759), (253, 7826483), (427, 4637237), (671, 2950969), (1403, 1411333), (1771, 1118069), (4697, 421567), (9821, 201619), (15433, 128303), (18329, 108031)]