890751445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3357

約数の個数: 32

約数和(自身を含む): 1169199360

約数和(自身を除く): 278447915

約数列:

[1, 5, 19, 41, 71, 95, 205, 355, 779, 1349, 2911, 3221, 3895, 6745, 14555, 16105, 55309, 61199, 132061, 228691, 276545, 305995, 660305, 1143455, 2509159, 4345129, 9376331, 12545795, 21725645, 46881655, 178150289, 890751445]

約数ペア:

[(1, 890751445), (5, 178150289), (19, 46881655), (41, 21725645), (71, 12545795), (95, 9376331), (205, 4345129), (355, 2509159), (779, 1143455), (1349, 660305), (2911, 305995), (3221, 276545), (3895, 228691), (6745, 132061), (14555, 61199), (16105, 55309)]