981692008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{3343}}^1$

素因数の和:3478

約数の個数: 64

約数和(自身を含む): 2080235520

約数和(自身を除く): 1098543512

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 71, 88, 94, 142, 188, 284, 376, 517, 568, 781, 1034, 1562, 2068, 3124, 3337, 3343, 4136, 6248, 6674, 6686, 13348, 13372, 26696, 26744, 36707, 36773, 73414, 73546, 146828, 147092, 157121, 237353, 293656, 294184, 314242, 474706, 628484, 949412, 1256968, 1728331, 1898824, 2610883, 3456662, 5221766, 6913324, 10443532, 11155591, 13826648, 20887064, 22311182, 44622364, 89244728, 122711501, 245423002, 490846004, 981692008]

約数ペア:

[(1, 981692008), (2, 490846004), (4, 245423002), (8, 122711501), (11, 89244728), (22, 44622364), (44, 22311182), (47, 20887064), (71, 13826648), (88, 11155591), (94, 10443532), (142, 6913324), (188, 5221766), (284, 3456662), (376, 2610883), (517, 1898824), (568, 1728331), (781, 1256968), (1034, 949412), (1562, 628484), (2068, 474706), (3124, 314242), (3337, 294184), (3343, 293656), (4136, 237353), (6248, 157121), (6674, 147092), (6686, 146828), (13348, 73546), (13372, 73414), (26696, 36773), (26744, 36707)]