128243206

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 253169280

約数和(自身を除く): 124926074

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 181, 182, 221, 229, 238, 362, 442, 458, 1267, 1547, 1603, 2353, 2534, 2977, 3077, 3094, 3206, 3893, 4706, 5954, 6154, 7786, 16471, 20839, 21539, 27251, 32942, 40001, 41449, 41678, 43078, 50609, 54502, 80002, 82898, 101218, 280007, 290143, 354263, 538837, 560014, 580286, 704633, 708526, 1077674, 1409266, 3771859, 4932431, 7543718, 9160229, 9864862, 18320458, 64121603, 128243206]

約数ペア:

[(1, 128243206), (2, 64121603), (7, 18320458), (13, 9864862), (14, 9160229), (17, 7543718), (26, 4932431), (34, 3771859), (91, 1409266), (119, 1077674), (181, 708526), (182, 704633), (221, 580286), (229, 560014), (238, 538837), (362, 354263), (442, 290143), (458, 280007), (1267, 101218), (1547, 82898), (1603, 80002), (2353, 54502), (2534, 50609), (2977, 43078), (3077, 41678), (3094, 41449), (3206, 40001), (3893, 32942), (4706, 27251), (5954, 21539), (6154, 20839), (7786, 16471)]