1317912575

素因数分解:

$5^2\times 7^2\times {\mathrm{53}}^2\times {\mathrm{383}}^1$

素因数の和:513

約数の個数: 54

約数和(自身を含む): 1942625664

約数和(自身を除く): 624713089

約数列:

[1, 5, 7, 25, 35, 49, 53, 175, 245, 265, 371, 383, 1225, 1325, 1855, 1915, 2597, 2681, 2809, 9275, 9575, 12985, 13405, 14045, 18767, 19663, 20299, 64925, 67025, 70225, 93835, 98315, 101495, 137641, 142093, 469175, 491575, 507475, 688205, 710465, 994651, 1075847, 3441025, 3552325, 4973255, 5379235, 7530929, 24866275, 26896175, 37654645, 52716503, 188273225, 263582515, 1317912575]

約数ペア:

[(1, 1317912575), (5, 263582515), (7, 188273225), (25, 52716503), (35, 37654645), (49, 26896175), (53, 24866275), (175, 7530929), (245, 5379235), (265, 4973255), (371, 3552325), (383, 3441025), (1225, 1075847), (1325, 994651), (1855, 710465), (1915, 688205), (2597, 507475), (2681, 491575), (2809, 469175), (9275, 142093), (9575, 137641), (12985, 101495), (13405, 98315), (14045, 93835), (18767, 70225), (19663, 67025), (20299, 64925)]