199321495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 264384000

約数和(自身を除く): 65062505

約数列:

[1, 5, 19, 29, 71, 95, 145, 355, 551, 1019, 1349, 2059, 2755, 5095, 6745, 10295, 19361, 29551, 39121, 72349, 96805, 147755, 195605, 361745, 561469, 1374631, 2098121, 2807345, 6873155, 10490605, 39864299, 199321495]

約数ペア:

[(1, 199321495), (5, 39864299), (19, 10490605), (29, 6873155), (71, 2807345), (95, 2098121), (145, 1374631), (355, 561469), (551, 361745), (1019, 195605), (1349, 147755), (2059, 96805), (2755, 72349), (5095, 39121), (6745, 29551), (10295, 19361)]