72178715

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12809}}^1$

素因数の和:12851

約数の個数: 24

約数和(自身を含む): 105144480

約数和(自身を除く): 32965765

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 12809, 64045, 89663, 294607, 448315, 627641, 1473035, 2062249, 3138205, 10311245, 14435743, 72178715]

約数ペア:

[(1, 72178715), (5, 14435743), (7, 10311245), (23, 3138205), (35, 2062249), (49, 1473035), (115, 627641), (161, 448315), (245, 294607), (805, 89663), (1127, 64045), (5635, 12809)]