23199475

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:89

約数の個数: 54

約数和(自身を含む): 34832220

約数和(自身を除く): 11632745

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 169, 221, 247, 289, 323, 325, 425, 475, 845, 1105, 1235, 1445, 1615, 2873, 3211, 3757, 4199, 4225, 5491, 5525, 6175, 7225, 8075, 14365, 16055, 18785, 20995, 27455, 48841, 54587, 71383, 71825, 80275, 93925, 104975, 137275, 244205, 272935, 356915, 927979, 1221025, 1364675, 1784575, 4639895, 23199475]

約数ペア:

[(1, 23199475), (5, 4639895), (13, 1784575), (17, 1364675), (19, 1221025), (25, 927979), (65, 356915), (85, 272935), (95, 244205), (169, 137275), (221, 104975), (247, 93925), (289, 80275), (323, 71825), (325, 71383), (425, 54587), (475, 48841), (845, 27455), (1105, 20995), (1235, 18785), (1445, 16055), (1615, 14365), (2873, 8075), (3211, 7225), (3757, 6175), (4199, 5525), (4225, 5491)]