129710188

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2174

約数の個数: 36

約数和(自身を含む): 245257320

約数和(自身を除く): 115547132

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 361, 722, 817, 1444, 1634, 2089, 3268, 4178, 8356, 15523, 31046, 39691, 62092, 79382, 89827, 158764, 179654, 359308, 754129, 1508258, 1706713, 3016516, 3413426, 6826852, 32427547, 64855094, 129710188]

約数ペア:

[(1, 129710188), (2, 64855094), (4, 32427547), (19, 6826852), (38, 3413426), (43, 3016516), (76, 1706713), (86, 1508258), (172, 754129), (361, 359308), (722, 179654), (817, 158764), (1444, 89827), (1634, 79382), (2089, 62092), (3268, 39691), (4178, 31046), (8356, 15523)]