78423025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2153}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 102564864

約数和(自身を除く): 24141839

約数列:

[1, 5, 25, 31, 47, 155, 235, 775, 1175, 1457, 2153, 7285, 10765, 36425, 53825, 66743, 101191, 333715, 505955, 1668575, 2529775, 3136921, 15684605, 78423025]

約数ペア:

[(1, 78423025), (5, 15684605), (25, 3136921), (31, 2529775), (47, 1668575), (155, 505955), (235, 333715), (775, 101191), (1175, 66743), (1457, 53825), (2153, 36425), (7285, 10765)]