158193775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 213700608

約数和(自身を除く): 55506833

約数列:

[1, 5, 25, 31, 43, 47, 101, 155, 215, 235, 505, 775, 1075, 1175, 1333, 1457, 2021, 2525, 3131, 4343, 4747, 6665, 7285, 10105, 15655, 21715, 23735, 33325, 36425, 50525, 62651, 78275, 108575, 118675, 134633, 147157, 204121, 313255, 673165, 735785, 1020605, 1566275, 3365825, 3678925, 5103025, 6327751, 31638755, 158193775]

約数ペア:

[(1, 158193775), (5, 31638755), (25, 6327751), (31, 5103025), (43, 3678925), (47, 3365825), (101, 1566275), (155, 1020605), (215, 735785), (235, 673165), (505, 313255), (775, 204121), (1075, 147157), (1175, 134633), (1333, 118675), (1457, 108575), (2021, 78275), (2525, 62651), (3131, 50525), (4343, 36425), (4747, 33325), (6665, 23735), (7285, 21715), (10105, 15655)]