420826861

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 537965568

約数和(自身を除く): 117138707

約数列:

[1, 7, 13, 47, 61, 91, 329, 427, 611, 793, 1613, 2867, 4277, 5551, 11291, 20069, 20969, 37271, 75811, 98393, 146783, 260897, 530677, 688751, 985543, 1279109, 4624471, 6898801, 8953763, 32371297, 60118123, 420826861]

約数ペア:

[(1, 420826861), (7, 60118123), (13, 32371297), (47, 8953763), (61, 6898801), (91, 4624471), (329, 1279109), (427, 985543), (611, 688751), (793, 530677), (1613, 260897), (2867, 146783), (4277, 98393), (5551, 75811), (11291, 37271), (20069, 20969)]