198254105

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 276967680

約数和(自身を除く): 78713575

約数列:

[1, 5, 7, 35, 109, 157, 331, 545, 763, 785, 1099, 1655, 2317, 3815, 5495, 11585, 17113, 36079, 51967, 85565, 119791, 180395, 252553, 259835, 363769, 598955, 1262765, 1818845, 5664403, 28322015, 39650821, 198254105]

約数ペア:

[(1, 198254105), (5, 39650821), (7, 28322015), (35, 5664403), (109, 1818845), (157, 1262765), (331, 598955), (545, 363769), (763, 259835), (785, 252553), (1099, 180395), (1655, 119791), (2317, 85565), (3815, 51967), (5495, 36079), (11585, 17113)]