399423388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 891376640

約数和(自身を除く): 491953252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 151, 169, 172, 182, 301, 302, 338, 364, 559, 602, 604, 676, 1057, 1118, 1183, 1204, 1963, 2114, 2197, 2236, 2366, 3913, 3926, 4228, 4394, 4732, 6493, 7267, 7826, 7852, 8788, 12986, 13741, 14534, 15379, 15652, 25519, 25972, 27482, 29068, 30758, 45451, 50869, 51038, 54964, 61516, 84409, 90902, 94471, 101738, 102076, 168818, 178633, 181804, 188942, 203476, 331747, 337636, 357266, 377884, 590863, 661297, 663494, 714532, 1097317, 1181726, 1322594, 1326988, 2194634, 2322229, 2363452, 2645188, 4389268, 4644458, 7681219, 9288916, 14265121, 15362438, 28530242, 30724876, 57060484, 99855847, 199711694, 399423388]

約数ペア:

[(1, 399423388), (2, 199711694), (4, 99855847), (7, 57060484), (13, 30724876), (14, 28530242), (26, 15362438), (28, 14265121), (43, 9288916), (52, 7681219), (86, 4644458), (91, 4389268), (151, 2645188), (169, 2363452), (172, 2322229), (182, 2194634), (301, 1326988), (302, 1322594), (338, 1181726), (364, 1097317), (559, 714532), (602, 663494), (604, 661297), (676, 590863), (1057, 377884), (1118, 357266), (1183, 337636), (1204, 331747), (1963, 203476), (2114, 188942), (2197, 181804), (2236, 178633), (2366, 168818), (3913, 102076), (3926, 101738), (4228, 94471), (4394, 90902), (4732, 84409), (6493, 61516), (7267, 54964), (7826, 51038), (7852, 50869), (8788, 45451), (12986, 30758), (13741, 29068), (14534, 27482), (15379, 25972), (15652, 25519)]