61915609

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 77760000

約数和(自身を除く): 15844391

約数列:

[1, 7, 23, 29, 89, 149, 161, 203, 623, 667, 1043, 2047, 2581, 3427, 4321, 4669, 13261, 14329, 18067, 23989, 30247, 59363, 92827, 99383, 305003, 384569, 415541, 695681, 2135021, 2691983, 8845087, 61915609]

約数ペア:

[(1, 61915609), (7, 8845087), (23, 2691983), (29, 2135021), (89, 695681), (149, 415541), (161, 384569), (203, 305003), (623, 99383), (667, 92827), (1043, 59363), (2047, 30247), (2581, 23989), (3427, 18067), (4321, 14329), (4669, 13261)]