128880914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{883}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 213857280

約数和(自身を除く): 84976366

約数列:

[1, 2, 19, 23, 38, 46, 167, 334, 437, 874, 883, 1766, 3173, 3841, 6346, 7682, 16777, 20309, 33554, 40618, 72979, 145958, 147461, 294922, 385871, 771742, 2801759, 3391603, 5603518, 6783206, 64440457, 128880914]

約数ペア:

[(1, 128880914), (2, 64440457), (19, 6783206), (23, 5603518), (38, 3391603), (46, 2801759), (167, 771742), (334, 385871), (437, 294922), (874, 147461), (883, 145958), (1766, 72979), (3173, 40618), (3841, 33554), (6346, 20309), (7682, 16777)]