91871365

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 120556800

約数和(自身を除く): 28685435

約数列:

[1, 5, 19, 41, 95, 103, 205, 229, 515, 779, 1145, 1957, 3895, 4223, 4351, 9389, 9785, 21115, 21755, 23587, 46945, 80237, 117935, 178391, 401185, 448153, 891955, 967067, 2240765, 4835335, 18374273, 91871365]

約数ペア:

[(1, 91871365), (5, 18374273), (19, 4835335), (41, 2240765), (95, 967067), (103, 891955), (205, 448153), (229, 401185), (515, 178391), (779, 117935), (1145, 80237), (1957, 46945), (3895, 23587), (4223, 21755), (4351, 21115), (9389, 9785)]