25163944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 55218240

約数和(自身を除く): 30054296

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 68, 86, 104, 136, 172, 221, 331, 344, 442, 559, 662, 731, 884, 1118, 1324, 1462, 1768, 2236, 2648, 2924, 4303, 4472, 5627, 5848, 8606, 9503, 11254, 14233, 17212, 19006, 22508, 28466, 34424, 38012, 45016, 56932, 73151, 76024, 113864, 146302, 185029, 241961, 292604, 370058, 483922, 585208, 740116, 967844, 1480232, 1935688, 3145493, 6290986, 12581972, 25163944]

約数ペア:

[(1, 25163944), (2, 12581972), (4, 6290986), (8, 3145493), (13, 1935688), (17, 1480232), (26, 967844), (34, 740116), (43, 585208), (52, 483922), (68, 370058), (86, 292604), (104, 241961), (136, 185029), (172, 146302), (221, 113864), (331, 76024), (344, 73151), (442, 56932), (559, 45016), (662, 38012), (731, 34424), (884, 28466), (1118, 22508), (1324, 19006), (1462, 17212), (1768, 14233), (2236, 11254), (2648, 9503), (2924, 8606), (4303, 5848), (4472, 5627)]