81900388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{17851}}^1$

素因数の和:17923

約数の個数: 24

約数和(自身を含む): 151956224

約数和(自身を除く): 70055836

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4588, 17851, 35702, 71404, 553381, 660487, 1106762, 1320974, 2213524, 2641948, 20475097, 40950194, 81900388]

約数ペア:

[(1, 81900388), (2, 40950194), (4, 20475097), (31, 2641948), (37, 2213524), (62, 1320974), (74, 1106762), (124, 660487), (148, 553381), (1147, 71404), (2294, 35702), (4588, 17851)]