8751145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 12063744

約数和(自身を除く): 3312599

約数列:

[1, 5, 13, 31, 43, 65, 101, 155, 215, 403, 505, 559, 1313, 1333, 2015, 2795, 3131, 4343, 6565, 6665, 15655, 17329, 21715, 40703, 56459, 86645, 134633, 203515, 282295, 673165, 1750229, 8751145]

約数ペア:

[(1, 8751145), (5, 1750229), (13, 673165), (31, 282295), (43, 203515), (65, 134633), (101, 86645), (155, 56459), (215, 40703), (403, 21715), (505, 17329), (559, 15655), (1313, 6665), (1333, 6565), (2015, 4343), (2795, 3131)]