128515142

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 231588720

約数和(自身を除く): 103073578

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 109, 218, 227, 371, 454, 742, 763, 1526, 1589, 2597, 3178, 5194, 5341, 5777, 10682, 11123, 11554, 12031, 22246, 24062, 24743, 40439, 49486, 80878, 84217, 168434, 173201, 283073, 346402, 566146, 589519, 1179038, 1212407, 1311379, 2424814, 2622758, 9179653, 18359306, 64257571, 128515142]

約数ペア:

[(1, 128515142), (2, 64257571), (7, 18359306), (14, 9179653), (49, 2622758), (53, 2424814), (98, 1311379), (106, 1212407), (109, 1179038), (218, 589519), (227, 566146), (371, 346402), (454, 283073), (742, 173201), (763, 168434), (1526, 84217), (1589, 80878), (2597, 49486), (3178, 40439), (5194, 24743), (5341, 24062), (5777, 22246), (10682, 12031), (11123, 11554)]