81889288

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 170859780

約数和(自身を除く): 88970492

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 481, 676, 962, 1352, 1637, 1924, 3274, 3848, 6253, 6548, 12506, 13096, 21281, 25012, 42562, 50024, 60569, 85124, 121138, 170248, 242276, 276653, 484552, 553306, 787397, 1106612, 1574794, 2213224, 3149588, 6299176, 10236161, 20472322, 40944644, 81889288]

約数ペア:

[(1, 81889288), (2, 40944644), (4, 20472322), (8, 10236161), (13, 6299176), (26, 3149588), (37, 2213224), (52, 1574794), (74, 1106612), (104, 787397), (148, 553306), (169, 484552), (296, 276653), (338, 242276), (481, 170248), (676, 121138), (962, 85124), (1352, 60569), (1637, 50024), (1924, 42562), (3274, 25012), (3848, 21281), (6253, 13096), (6548, 12506)]