66245972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:169

約数の個数: 54

約数和(自身を含む): 130946382

約数和(自身を除く): 64700410

約数列:

[1, 2, 4, 13, 26, 43, 52, 53, 86, 106, 169, 172, 212, 338, 559, 676, 689, 1118, 1378, 1849, 2236, 2279, 2756, 3698, 4558, 7267, 7396, 8957, 9116, 14534, 17914, 24037, 29068, 29627, 35828, 48074, 59254, 96148, 97997, 118508, 195994, 312481, 385151, 391988, 624962, 770302, 1249924, 1273961, 1540604, 2547922, 5095844, 16561493, 33122986, 66245972]

約数ペア:

[(1, 66245972), (2, 33122986), (4, 16561493), (13, 5095844), (26, 2547922), (43, 1540604), (52, 1273961), (53, 1249924), (86, 770302), (106, 624962), (169, 391988), (172, 385151), (212, 312481), (338, 195994), (559, 118508), (676, 97997), (689, 96148), (1118, 59254), (1378, 48074), (1849, 35828), (2236, 29627), (2279, 29068), (2756, 24037), (3698, 17914), (4558, 14534), (7267, 9116), (7396, 8957)]