399018488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{5591}}^1$

素因数の和:6419

約数の個数: 32

約数和(自身を含む): 817326720

約数和(自身を除く): 418308232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 811, 1622, 3244, 5591, 6488, 8921, 11182, 17842, 22364, 35684, 44728, 61501, 71368, 123002, 246004, 492008, 4534301, 9068602, 18137204, 36274408, 49877311, 99754622, 199509244, 399018488]

約数ペア:

[(1, 399018488), (2, 199509244), (4, 99754622), (8, 49877311), (11, 36274408), (22, 18137204), (44, 9068602), (88, 4534301), (811, 492008), (1622, 246004), (3244, 123002), (5591, 71368), (6488, 61501), (8921, 44728), (11182, 35684), (17842, 22364)]