198867395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 258785280

約数和(自身を除く): 59917885

約数列:

[1, 5, 19, 53, 95, 127, 265, 311, 635, 1007, 1555, 2413, 5035, 5909, 6731, 12065, 16483, 29545, 33655, 39497, 82415, 127889, 197485, 313177, 639445, 750443, 1565885, 2093341, 3752215, 10466705, 39773479, 198867395]

約数ペア:

[(1, 198867395), (5, 39773479), (19, 10466705), (53, 3752215), (95, 2093341), (127, 1565885), (265, 750443), (311, 639445), (635, 313177), (1007, 197485), (1555, 127889), (2413, 82415), (5035, 39497), (5909, 33655), (6731, 29545), (12065, 16483)]