16416985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 6444455

約数列:

[1, 5, 13, 17, 65, 83, 85, 179, 221, 415, 895, 1079, 1105, 1411, 2327, 3043, 5395, 7055, 11635, 14857, 15215, 18343, 39559, 74285, 91715, 193141, 197795, 252569, 965705, 1262845, 3283397, 16416985]

約数ペア:

[(1, 16416985), (5, 3283397), (13, 1262845), (17, 965705), (65, 252569), (83, 197795), (85, 193141), (179, 91715), (221, 74285), (415, 39559), (895, 18343), (1079, 15215), (1105, 14857), (1411, 11635), (2327, 7055), (3043, 5395)]