77857535

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 44070145

約数列:

[1, 5, 7, 17, 19, 35, 71, 85, 95, 97, 119, 133, 323, 355, 485, 497, 595, 665, 679, 1207, 1349, 1615, 1649, 1843, 2261, 2485, 3395, 6035, 6745, 6887, 8245, 8449, 9215, 9443, 11305, 11543, 12901, 22933, 31331, 34435, 42245, 47215, 48209, 57715, 64505, 114665, 117079, 130853, 156655, 160531, 219317, 241045, 585395, 654265, 802655, 819553, 915971, 1096585, 2224501, 4097765, 4579855, 11122505, 15571507, 77857535]

約数ペア:

[(1, 77857535), (5, 15571507), (7, 11122505), (17, 4579855), (19, 4097765), (35, 2224501), (71, 1096585), (85, 915971), (95, 819553), (97, 802655), (119, 654265), (133, 585395), (323, 241045), (355, 219317), (485, 160531), (497, 156655), (595, 130853), (665, 117079), (679, 114665), (1207, 64505), (1349, 57715), (1615, 48209), (1649, 47215), (1843, 42245), (2261, 34435), (2485, 31331), (3395, 22933), (6035, 12901), (6745, 11543), (6887, 11305), (8245, 9443), (8449, 9215)]