251360472097

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{4721}}^1$

素因数の和:5222

約数の個数: 48

約数和(自身を含む): 304380875520

約数和(自身を除く): 53020403423

約数列:

[1, 7, 47, 49, 61, 329, 379, 427, 2303, 2653, 2867, 2989, 4721, 17813, 18571, 20069, 23119, 33047, 124691, 140483, 161833, 221887, 231329, 287981, 872837, 1086593, 1132831, 1553209, 1789259, 2015867, 7606151, 10872463, 12524813, 13535107, 14111069, 53243057, 84095173, 87673691, 94745749, 109144799, 588666211, 663220243, 764013593, 4120663477, 5129805553, 5348095151, 35908638871, 251360472097]

約数ペア:

[(1, 251360472097), (7, 35908638871), (47, 5348095151), (49, 5129805553), (61, 4120663477), (329, 764013593), (379, 663220243), (427, 588666211), (2303, 109144799), (2653, 94745749), (2867, 87673691), (2989, 84095173), (4721, 53243057), (17813, 14111069), (18571, 13535107), (20069, 12524813), (23119, 10872463), (33047, 7606151), (124691, 2015867), (140483, 1789259), (161833, 1553209), (221887, 1132831), (231329, 1086593), (287981, 872837)]