81902190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{17389}}^1$

素因数の和:17556

約数の個数: 32

約数和(自身を含む): 197828640

約数和(自身を除く): 115926450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4710, 17389, 34778, 52167, 86945, 104334, 173890, 260835, 521670, 2730073, 5460146, 8190219, 13650365, 16380438, 27300730, 40951095, 81902190]

約数ペア:

[(1, 81902190), (2, 40951095), (3, 27300730), (5, 16380438), (6, 13650365), (10, 8190219), (15, 5460146), (30, 2730073), (157, 521670), (314, 260835), (471, 173890), (785, 104334), (942, 86945), (1570, 52167), (2355, 34778), (4710, 17389)]