128601578

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{42331}}^1$

素因数の和:42378

約数の個数: 24

約数和(自身を含む): 231640704

約数和(自身を除く): 103039126

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 42331, 84662, 296317, 592634, 1312261, 2074219, 2624522, 4148438, 9185827, 18371654, 64300789, 128601578]

約数ペア:

[(1, 128601578), (2, 64300789), (7, 18371654), (14, 9185827), (31, 4148438), (49, 2624522), (62, 2074219), (98, 1312261), (217, 592634), (434, 296317), (1519, 84662), (3038, 42331)]