131155856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10337}}^1$

素因数の和:10419

約数の個数: 40

約数和(自身を含む): 278174904

約数和(自身を除く): 147019048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 10337, 12688, 20674, 41348, 82696, 134381, 165392, 268762, 537524, 630557, 1075048, 1261114, 2150096, 2522228, 5044456, 8197241, 10088912, 16394482, 32788964, 65577928, 131155856]

約数ペア:

[(1, 131155856), (2, 65577928), (4, 32788964), (8, 16394482), (13, 10088912), (16, 8197241), (26, 5044456), (52, 2522228), (61, 2150096), (104, 1261114), (122, 1075048), (208, 630557), (244, 537524), (488, 268762), (793, 165392), (976, 134381), (1586, 82696), (3172, 41348), (6344, 20674), (10337, 12688)]