207905815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 274337280

約数和(自身を除く): 66431465

約数列:

[1, 5, 13, 65, 107, 167, 179, 535, 835, 895, 1391, 2171, 2327, 6955, 10855, 11635, 17869, 19153, 29893, 89345, 95765, 149465, 232297, 248989, 388609, 1161485, 1244945, 1943045, 3198551, 15992755, 41581163, 207905815]

約数ペア:

[(1, 207905815), (5, 41581163), (13, 15992755), (65, 3198551), (107, 1943045), (167, 1244945), (179, 1161485), (535, 388609), (835, 248989), (895, 232297), (1391, 149465), (2171, 95765), (2327, 89345), (6955, 29893), (10855, 19153), (11635, 17869)]