89640198

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{70141}}^1$

素因数の和:70220

約数の個数: 24

約数和(自身を含む): 196958736

約数和(自身を除く): 107318538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 70141, 140282, 210423, 420846, 631269, 1262538, 4980011, 9960022, 14940033, 29880066, 44820099, 89640198]

約数ペア:

[(1, 89640198), (2, 44820099), (3, 29880066), (6, 14940033), (9, 9960022), (18, 4980011), (71, 1262538), (142, 631269), (213, 420846), (426, 210423), (639, 140282), (1278, 70141)]