128700236

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^2\times {\mathrm{173}}^1$

素因数の和:510

約数の個数: 36

約数和(自身を含む): 260486352

約数和(自身を除く): 131786116

約数列:

[1, 2, 4, 7, 14, 28, 163, 173, 326, 346, 652, 692, 1141, 1211, 2282, 2422, 4564, 4844, 26569, 28199, 53138, 56398, 106276, 112796, 185983, 197393, 371966, 394786, 743932, 789572, 4596437, 9192874, 18385748, 32175059, 64350118, 128700236]

約数ペア:

[(1, 128700236), (2, 64350118), (4, 32175059), (7, 18385748), (14, 9192874), (28, 4596437), (163, 789572), (173, 743932), (326, 394786), (346, 371966), (652, 197393), (692, 185983), (1141, 112796), (1211, 106276), (2282, 56398), (2422, 53138), (4564, 28199), (4844, 26569)]