198717505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1009}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 289716480

約数和(自身を除く): 90998975

約数列:

[1, 5, 7, 17, 35, 85, 119, 331, 595, 1009, 1655, 2317, 5045, 5627, 7063, 11585, 17153, 28135, 35315, 39389, 85765, 120071, 196945, 333979, 600355, 1669895, 2337853, 5677643, 11689265, 28388215, 39743501, 198717505]

約数ペア:

[(1, 198717505), (5, 39743501), (7, 28388215), (17, 11689265), (35, 5677643), (85, 2337853), (119, 1669895), (331, 600355), (595, 333979), (1009, 196945), (1655, 120071), (2317, 85765), (5045, 39389), (5627, 35315), (7063, 28135), (11585, 17153)]