128945844

素因数分解:

$2^2\times 3^4\times {\mathrm{397981}}^1$

素因数の和:397997

約数の個数: 30

約数和(自身を含む): 337090754

約数和(自身を除く): 208144910

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 397981, 795962, 1193943, 1591924, 2387886, 3581829, 4775772, 7163658, 10745487, 14327316, 21490974, 32236461, 42981948, 64472922, 128945844]

約数ペア:

[(1, 128945844), (2, 64472922), (3, 42981948), (4, 32236461), (6, 21490974), (9, 14327316), (12, 10745487), (18, 7163658), (27, 4775772), (36, 3581829), (54, 2387886), (81, 1591924), (108, 1193943), (162, 795962), (324, 397981)]