67017890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 122880240

約数和(自身を除く): 55862350

約数列:

[1, 2, 5, 10, 89, 178, 257, 293, 445, 514, 586, 890, 1285, 1465, 2570, 2930, 22873, 26077, 45746, 52154, 75301, 114365, 130385, 150602, 228730, 260770, 376505, 753010, 6701789, 13403578, 33508945, 67017890]

約数ペア:

[(1, 67017890), (2, 33508945), (5, 13403578), (10, 6701789), (89, 753010), (178, 376505), (257, 260770), (293, 228730), (445, 150602), (514, 130385), (586, 114365), (890, 75301), (1285, 52154), (1465, 45746), (2570, 26077), (2930, 22873)]