81101384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 189181440

約数和(自身を除く): 108080056

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 101, 104, 182, 202, 364, 404, 707, 728, 808, 1103, 1313, 1414, 2206, 2626, 2828, 4412, 5252, 5656, 7721, 8824, 9191, 10504, 14339, 15442, 18382, 28678, 30884, 36764, 57356, 61768, 73528, 100373, 111403, 114712, 200746, 222806, 401492, 445612, 779821, 802984, 891224, 1448239, 1559642, 2896478, 3119284, 5792956, 6238568, 10137673, 11585912, 20275346, 40550692, 81101384]

約数ペア:

[(1, 81101384), (2, 40550692), (4, 20275346), (7, 11585912), (8, 10137673), (13, 6238568), (14, 5792956), (26, 3119284), (28, 2896478), (52, 1559642), (56, 1448239), (91, 891224), (101, 802984), (104, 779821), (182, 445612), (202, 401492), (364, 222806), (404, 200746), (707, 114712), (728, 111403), (808, 100373), (1103, 73528), (1313, 61768), (1414, 57356), (2206, 36764), (2626, 30884), (2828, 28678), (4412, 18382), (5252, 15442), (5656, 14339), (7721, 10504), (8824, 9191)]