25980604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 25499972

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 227, 284, 403, 454, 806, 908, 923, 1612, 1846, 2201, 2951, 3692, 4402, 5902, 7037, 8804, 11804, 14074, 16117, 28148, 28613, 32234, 57226, 64468, 91481, 114452, 182962, 209521, 365924, 419042, 499627, 838084, 999254, 1998508, 6495151, 12990302, 25980604]

約数ペア:

[(1, 25980604), (2, 12990302), (4, 6495151), (13, 1998508), (26, 999254), (31, 838084), (52, 499627), (62, 419042), (71, 365924), (124, 209521), (142, 182962), (227, 114452), (284, 91481), (403, 64468), (454, 57226), (806, 32234), (908, 28613), (923, 28148), (1612, 16117), (1846, 14074), (2201, 11804), (2951, 8804), (3692, 7037), (4402, 5902)]