25798605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 25004595

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 97, 105, 119, 149, 255, 291, 357, 447, 485, 595, 679, 745, 1043, 1455, 1649, 1785, 2037, 2235, 2533, 3129, 3395, 4947, 5215, 7599, 8245, 10185, 11543, 12665, 14453, 15645, 17731, 24735, 34629, 37995, 43359, 53193, 57715, 72265, 88655, 101171, 173145, 216795, 245701, 265965, 303513, 505855, 737103, 1228505, 1517565, 1719907, 3685515, 5159721, 8599535, 25798605]

約数ペア:

[(1, 25798605), (3, 8599535), (5, 5159721), (7, 3685515), (15, 1719907), (17, 1517565), (21, 1228505), (35, 737103), (51, 505855), (85, 303513), (97, 265965), (105, 245701), (119, 216795), (149, 173145), (255, 101171), (291, 88655), (357, 72265), (447, 57715), (485, 53193), (595, 43359), (679, 37995), (745, 34629), (1043, 24735), (1455, 17731), (1649, 15645), (1785, 14453), (2037, 12665), (2235, 11543), (2533, 10185), (3129, 8245), (3395, 7599), (4947, 5215)]