218308936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 446054400

約数和(自身を除く): 227745464

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 127, 152, 172, 254, 263, 344, 508, 526, 817, 1016, 1052, 1634, 2104, 2413, 3268, 4826, 4997, 5461, 6536, 9652, 9994, 10922, 11309, 19304, 19988, 21844, 22618, 33401, 39976, 43688, 45236, 66802, 90472, 103759, 133604, 207518, 214871, 267208, 415036, 429742, 634619, 830072, 859484, 1269238, 1436243, 1718968, 2538476, 2872486, 5076952, 5744972, 11489944, 27288617, 54577234, 109154468, 218308936]

約数ペア:

[(1, 218308936), (2, 109154468), (4, 54577234), (8, 27288617), (19, 11489944), (38, 5744972), (43, 5076952), (76, 2872486), (86, 2538476), (127, 1718968), (152, 1436243), (172, 1269238), (254, 859484), (263, 830072), (344, 634619), (508, 429742), (526, 415036), (817, 267208), (1016, 214871), (1052, 207518), (1634, 133604), (2104, 103759), (2413, 90472), (3268, 66802), (4826, 45236), (4997, 43688), (5461, 39976), (6536, 33401), (9652, 22618), (9994, 21844), (10922, 19988), (11309, 19304)]