25600419

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 43059744

約数和(自身を除く): 17459325

約数列:

[1, 3, 9, 13, 17, 39, 51, 61, 117, 153, 183, 211, 221, 549, 633, 663, 793, 1037, 1899, 1989, 2379, 2743, 3111, 3587, 7137, 8229, 9333, 10761, 12871, 13481, 24687, 32283, 38613, 40443, 46631, 115839, 121329, 139893, 167323, 218807, 419679, 501969, 656421, 1505907, 1969263, 2844491, 8533473, 25600419]

約数ペア:

[(1, 25600419), (3, 8533473), (9, 2844491), (13, 1969263), (17, 1505907), (39, 656421), (51, 501969), (61, 419679), (117, 218807), (153, 167323), (183, 139893), (211, 121329), (221, 115839), (549, 46631), (633, 40443), (663, 38613), (793, 32283), (1037, 24687), (1899, 13481), (1989, 12871), (2379, 10761), (2743, 9333), (3111, 8229), (3587, 7137)]