128962886

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 223412256

約数和(自身を除く): 94449370

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 169, 299, 313, 338, 598, 626, 689, 1219, 1378, 2438, 3887, 4069, 7199, 7774, 8138, 8957, 14398, 15847, 16589, 17914, 31694, 33178, 52897, 93587, 105794, 187174, 206011, 215657, 381547, 412022, 431314, 763094, 1216631, 2433262, 2803541, 4960111, 5607082, 9920222, 64481443, 128962886]

約数ペア:

[(1, 128962886), (2, 64481443), (13, 9920222), (23, 5607082), (26, 4960111), (46, 2803541), (53, 2433262), (106, 1216631), (169, 763094), (299, 431314), (313, 412022), (338, 381547), (598, 215657), (626, 206011), (689, 187174), (1219, 105794), (1378, 93587), (2438, 52897), (3887, 33178), (4069, 31694), (7199, 17914), (7774, 16589), (8138, 15847), (8957, 14398)]