1521295775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 2034244800

約数和(自身を除く): 512949025

約数列:

[1, 5, 25, 29, 41, 61, 145, 205, 305, 725, 839, 1025, 1189, 1525, 1769, 2501, 4195, 5945, 8845, 12505, 20975, 24331, 29725, 34399, 44225, 51179, 62525, 72529, 121655, 171995, 255895, 362645, 608275, 859975, 997571, 1279475, 1484191, 1813225, 2098339, 4987855, 7420955, 10491695, 24939275, 37104775, 52458475, 60851831, 304259155, 1521295775]

約数ペア:

[(1, 1521295775), (5, 304259155), (25, 60851831), (29, 52458475), (41, 37104775), (61, 24939275), (145, 10491695), (205, 7420955), (305, 4987855), (725, 2098339), (839, 1813225), (1025, 1484191), (1189, 1279475), (1525, 997571), (1769, 859975), (2501, 608275), (4195, 362645), (5945, 255895), (8845, 171995), (12505, 121655), (20975, 72529), (24331, 62525), (29725, 51179), (34399, 44225)]