16249025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 36

約数和(自身を含む): 23183412

約数和(自身を除く): 6934387

約数列:

[1, 5, 13, 17, 25, 65, 85, 173, 221, 289, 325, 425, 865, 1105, 1445, 2249, 2941, 3757, 4325, 5525, 7225, 11245, 14705, 18785, 38233, 49997, 56225, 73525, 93925, 191165, 249985, 649961, 955825, 1249925, 3249805, 16249025]

約数ペア:

[(1, 16249025), (5, 3249805), (13, 1249925), (17, 955825), (25, 649961), (65, 249985), (85, 191165), (173, 93925), (221, 73525), (289, 56225), (325, 49997), (425, 38233), (865, 18785), (1105, 14705), (1445, 11245), (2249, 7225), (2941, 5525), (3757, 4325)]