1289778854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2477}}^1\times {\mathrm{2861}}^1$

素因数の和:5360

約数の個数: 32

約数和(自身を含む): 2382924096

約数和(自身を除く): 1093145242

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 2477, 2861, 4954, 5722, 17339, 20027, 32201, 34678, 37193, 40054, 64402, 74386, 225407, 260351, 450814, 520702, 7086697, 14173394, 49606879, 92127061, 99213758, 184254122, 644889427, 1289778854]

約数ペア:

[(1, 1289778854), (2, 644889427), (7, 184254122), (13, 99213758), (14, 92127061), (26, 49606879), (91, 14173394), (182, 7086697), (2477, 520702), (2861, 450814), (4954, 260351), (5722, 225407), (17339, 74386), (20027, 64402), (32201, 40054), (34678, 37193)]