25571532

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 70102704

約数和(自身を除く): 44531172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 277, 294, 314, 471, 554, 588, 628, 831, 942, 1099, 1108, 1662, 1884, 1939, 2198, 3297, 3324, 3878, 4396, 5817, 6594, 7693, 7756, 11634, 13188, 13573, 15386, 23079, 23268, 27146, 30772, 40719, 43489, 46158, 54292, 81438, 86978, 92316, 130467, 162876, 173956, 260934, 304423, 521868, 608846, 913269, 1217692, 1826538, 2130961, 3653076, 4261922, 6392883, 8523844, 12785766, 25571532]

約数ペア:

[(1, 25571532), (2, 12785766), (3, 8523844), (4, 6392883), (6, 4261922), (7, 3653076), (12, 2130961), (14, 1826538), (21, 1217692), (28, 913269), (42, 608846), (49, 521868), (84, 304423), (98, 260934), (147, 173956), (157, 162876), (196, 130467), (277, 92316), (294, 86978), (314, 81438), (471, 54292), (554, 46158), (588, 43489), (628, 40719), (831, 30772), (942, 27146), (1099, 23268), (1108, 23079), (1662, 15386), (1884, 13573), (1939, 13188), (2198, 11634), (3297, 7756), (3324, 7693), (3878, 6594), (4396, 5817)]