640085142

素因数分解:

$2^1\times 3^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1\times {\mathrm{971}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 1290691584

約数和(自身を除く): 650606442

約数列:

[1, 2, 3, 6, 181, 362, 543, 607, 971, 1086, 1214, 1821, 1942, 2913, 3642, 5826, 109867, 175751, 219734, 329601, 351502, 527253, 589397, 659202, 1054506, 1178794, 1768191, 3536382, 106680857, 213361714, 320042571, 640085142]

約数ペア:

[(1, 640085142), (2, 320042571), (3, 213361714), (6, 106680857), (181, 3536382), (362, 1768191), (543, 1178794), (607, 1054506), (971, 659202), (1086, 589397), (1214, 527253), (1821, 351502), (1942, 329601), (2913, 219734), (3642, 175751), (5826, 109867)]