218361325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 339728256

約数和(自身を除く): 121366931

約数列:

[1, 5, 7, 13, 25, 35, 53, 65, 91, 175, 265, 325, 371, 455, 689, 1325, 1811, 1855, 2275, 3445, 4823, 9055, 9275, 12677, 17225, 23543, 24115, 45275, 63385, 95983, 117715, 120575, 164801, 316925, 479915, 588575, 671881, 824005, 1247779, 2399575, 3359405, 4120025, 6238895, 8734453, 16797025, 31194475, 43672265, 218361325]

約数ペア:

[(1, 218361325), (5, 43672265), (7, 31194475), (13, 16797025), (25, 8734453), (35, 6238895), (53, 4120025), (65, 3359405), (91, 2399575), (175, 1247779), (265, 824005), (325, 671881), (371, 588575), (455, 479915), (689, 316925), (1325, 164801), (1811, 120575), (1855, 117715), (2275, 95983), (3445, 63385), (4823, 45275), (9055, 24115), (9275, 23543), (12677, 17225)]