81470852

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{997}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 147544320

約数和(自身を除く): 66073468

約数列:

[1, 2, 4, 31, 62, 124, 659, 997, 1318, 1994, 2636, 3988, 20429, 30907, 40858, 61814, 81716, 123628, 657023, 1314046, 2628092, 20367713, 40735426, 81470852]

約数ペア:

[(1, 81470852), (2, 40735426), (4, 20367713), (31, 2628092), (62, 1314046), (124, 657023), (659, 123628), (997, 81716), (1318, 61814), (1994, 40858), (2636, 30907), (3988, 20429)]