81895664

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 60

約数和(自身を含む): 171306000

約数和(自身を除く): 89410336

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 199, 272, 289, 356, 398, 578, 712, 796, 1156, 1424, 1513, 1592, 2312, 3026, 3184, 3383, 4624, 6052, 6766, 12104, 13532, 17711, 24208, 25721, 27064, 35422, 51442, 54128, 57511, 70844, 102884, 115022, 141688, 205768, 230044, 283376, 301087, 411536, 460088, 602174, 920176, 1204348, 2408696, 4817392, 5118479, 10236958, 20473916, 40947832, 81895664]

約数ペア:

[(1, 81895664), (2, 40947832), (4, 20473916), (8, 10236958), (16, 5118479), (17, 4817392), (34, 2408696), (68, 1204348), (89, 920176), (136, 602174), (178, 460088), (199, 411536), (272, 301087), (289, 283376), (356, 230044), (398, 205768), (578, 141688), (712, 115022), (796, 102884), (1156, 70844), (1424, 57511), (1513, 54128), (1592, 51442), (2312, 35422), (3026, 27064), (3184, 25721), (3383, 24208), (4624, 17711), (6052, 13532), (6766, 12104)]