821486915

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 1049760000

約数和(自身を除く): 228273085

約数列:

[1, 5, 29, 47, 145, 149, 235, 745, 809, 1363, 4045, 4321, 6815, 7003, 21605, 23461, 35015, 38023, 117305, 120541, 190115, 203087, 602705, 1015435, 1102667, 3495689, 5513335, 5665427, 17478445, 28327135, 164297383, 821486915]

約数ペア:

[(1, 821486915), (5, 164297383), (29, 28327135), (47, 17478445), (145, 5665427), (149, 5513335), (235, 3495689), (745, 1102667), (809, 1015435), (1363, 602705), (4045, 203087), (4321, 190115), (6815, 120541), (7003, 117305), (21605, 38023), (23461, 35015)]