1975997569

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 2550356928

約数和(自身を除く): 574359359

約数列:

[1, 7, 13, 49, 53, 91, 107, 371, 547, 637, 689, 749, 1391, 2597, 3829, 4823, 5243, 5671, 7111, 9737, 26803, 28991, 33761, 39697, 49777, 58529, 68159, 73723, 202937, 277879, 348439, 376883, 409703, 516061, 760877, 1420559, 2638181, 2867921, 3102037, 3612427, 5326139, 18467267, 21714259, 37282973, 40326481, 151999813, 282285367, 1975997569]

約数ペア:

[(1, 1975997569), (7, 282285367), (13, 151999813), (49, 40326481), (53, 37282973), (91, 21714259), (107, 18467267), (371, 5326139), (547, 3612427), (637, 3102037), (689, 2867921), (749, 2638181), (1391, 1420559), (2597, 760877), (3829, 516061), (4823, 409703), (5243, 376883), (5671, 348439), (7111, 277879), (9737, 202937), (26803, 73723), (28991, 68159), (33761, 58529), (39697, 49777)]