4005280808

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{641}}^1\times {\mathrm{14737}}^1$

素因数の和:15437

約数の個数: 32

約数和(自身を含む): 7664054760

約数和(自身を除く): 3658773952

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 641, 1282, 2564, 5128, 14737, 29474, 33973, 58948, 67946, 117896, 135892, 271784, 781061, 1562122, 3124244, 6248488, 9446417, 18892834, 37785668, 75571336, 500660101, 1001320202, 2002640404, 4005280808]

約数ペア:

[(1, 4005280808), (2, 2002640404), (4, 1001320202), (8, 500660101), (53, 75571336), (106, 37785668), (212, 18892834), (424, 9446417), (641, 6248488), (1282, 3124244), (2564, 1562122), (5128, 781061), (14737, 271784), (29474, 135892), (33973, 117896), (58948, 67946)]