193019905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 260257536

約数和(自身を除く): 67237631

約数列:

[1, 5, 13, 43, 53, 65, 215, 265, 559, 689, 1303, 2279, 2795, 3445, 6515, 11395, 16939, 29627, 56029, 69059, 84695, 148135, 280145, 345295, 728377, 897767, 2969537, 3641885, 4488835, 14847685, 38603981, 193019905]

約数ペア:

[(1, 193019905), (5, 38603981), (13, 14847685), (43, 4488835), (53, 3641885), (65, 2969537), (215, 897767), (265, 728377), (559, 345295), (689, 280145), (1303, 148135), (2279, 84695), (2795, 69059), (3445, 56029), (6515, 29627), (11395, 16939)]