64344775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 89056800

約数和(自身を除く): 24712025

約数列:

[1, 5, 11, 25, 55, 89, 121, 239, 275, 445, 605, 979, 1195, 2225, 2629, 3025, 4895, 5975, 10769, 13145, 21271, 24475, 28919, 53845, 65725, 106355, 144595, 233981, 269225, 531775, 722975, 1169905, 2573791, 5849525, 12868955, 64344775]

約数ペア:

[(1, 64344775), (5, 12868955), (11, 5849525), (25, 2573791), (55, 1169905), (89, 722975), (121, 531775), (239, 269225), (275, 233981), (445, 144595), (605, 106355), (979, 65725), (1195, 53845), (2225, 28919), (2629, 24475), (3025, 21271), (4895, 13145), (5975, 10769)]