72277790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6247}}^1$

素因数の和:6356

約数の個数: 32

約数和(自身を含む): 141704640

約数和(自身を除く): 69426850

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 6247, 11570, 12494, 31235, 62470, 81211, 162422, 406055, 555983, 812110, 1111966, 2779915, 5559830, 7227779, 14455558, 36138895, 72277790]

約数ペア:

[(1, 72277790), (2, 36138895), (5, 14455558), (10, 7227779), (13, 5559830), (26, 2779915), (65, 1111966), (89, 812110), (130, 555983), (178, 406055), (445, 162422), (890, 81211), (1157, 62470), (2314, 31235), (5785, 12494), (6247, 11570)]