622174540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{17467}}^1$

素因数の和:17626

約数の個数: 48

約数和(自身を含む): 1417423392

約数和(自身を除く): 795248852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17467, 17810, 34934, 35620, 69868, 87335, 174670, 227071, 349340, 454142, 908284, 1135355, 2270710, 2392979, 4541420, 4785958, 9571916, 11964895, 23929790, 31108727, 47859580, 62217454, 124434908, 155543635, 311087270, 622174540]

約数ペア:

[(1, 622174540), (2, 311087270), (4, 155543635), (5, 124434908), (10, 62217454), (13, 47859580), (20, 31108727), (26, 23929790), (52, 11964895), (65, 9571916), (130, 4785958), (137, 4541420), (260, 2392979), (274, 2270710), (548, 1135355), (685, 908284), (1370, 454142), (1781, 349340), (2740, 227071), (3562, 174670), (7124, 87335), (8905, 69868), (17467, 35620), (17810, 34934)]