551435905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 697466880

約数和(自身を除く): 146030975

約数列:

[1, 5, 31, 109, 127, 155, 257, 545, 635, 1285, 3379, 3937, 7967, 13843, 16895, 19685, 28013, 32639, 39835, 69215, 140065, 163195, 429133, 868403, 1011809, 2145665, 3557651, 4342015, 5059045, 17788255, 110287181, 551435905]

約数ペア:

[(1, 551435905), (5, 110287181), (31, 17788255), (109, 5059045), (127, 4342015), (155, 3557651), (257, 2145665), (545, 1011809), (635, 868403), (1285, 429133), (3379, 163195), (3937, 140065), (7967, 69215), (13843, 39835), (16895, 32639), (19685, 28013)]