77230915

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 108309600

約数和(自身を除く): 31078685

約数列:

[1, 5, 17, 19, 29, 85, 95, 97, 145, 289, 323, 485, 493, 551, 1445, 1615, 1649, 1843, 2465, 2755, 2813, 5491, 8245, 8381, 9215, 9367, 14065, 27455, 28033, 31331, 41905, 46835, 47821, 53447, 140165, 156655, 159239, 239105, 267235, 532627, 796195, 812957, 908599, 2663135, 4064785, 4542995, 15446183, 77230915]

約数ペア:

[(1, 77230915), (5, 15446183), (17, 4542995), (19, 4064785), (29, 2663135), (85, 908599), (95, 812957), (97, 796195), (145, 532627), (289, 267235), (323, 239105), (485, 159239), (493, 156655), (551, 140165), (1445, 53447), (1615, 47821), (1649, 46835), (1843, 41905), (2465, 31331), (2755, 28033), (2813, 27455), (5491, 14065), (8245, 9367), (8381, 9215)]