131112575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 181082160

約数和(自身を除く): 49969585

約数列:

[1, 5, 11, 25, 55, 89, 121, 275, 445, 487, 605, 979, 2225, 2435, 3025, 4895, 5357, 10769, 12175, 24475, 26785, 43343, 53845, 58927, 133925, 216715, 269225, 294635, 476773, 1083575, 1473175, 2383865, 5244503, 11919325, 26222515, 131112575]

約数ペア:

[(1, 131112575), (5, 26222515), (11, 11919325), (25, 5244503), (55, 2383865), (89, 1473175), (121, 1083575), (275, 476773), (445, 294635), (487, 269225), (605, 216715), (979, 133925), (2225, 58927), (2435, 53845), (3025, 43343), (4895, 26785), (5357, 24475), (10769, 12175)]