213780216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 620605440

約数和(自身を除く): 406825224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 104, 124, 138, 156, 184, 186, 248, 276, 299, 312, 372, 403, 552, 598, 713, 744, 806, 897, 961, 1196, 1209, 1426, 1612, 1794, 1922, 2139, 2392, 2418, 2852, 2883, 3224, 3588, 3844, 4278, 4836, 5704, 5766, 7176, 7688, 8556, 9269, 9672, 11532, 12493, 17112, 18538, 22103, 23064, 24986, 27807, 29791, 37076, 37479, 44206, 49972, 55614, 59582, 66309, 74152, 74958, 88412, 89373, 99944, 111228, 119164, 132618, 149916, 176824, 178746, 222456, 238328, 265236, 287339, 299832, 357492, 387283, 530472, 574678, 685193, 714984, 774566, 862017, 1149356, 1161849, 1370386, 1549132, 1724034, 2055579, 2298712, 2323698, 2740772, 3098264, 3448068, 4111158, 4647396, 5481544, 6896136, 8222316, 8907509, 9294792, 16444632, 17815018, 26722527, 35630036, 53445054, 71260072, 106890108, 213780216]

約数ペア:

[(1, 213780216), (2, 106890108), (3, 71260072), (4, 53445054), (6, 35630036), (8, 26722527), (12, 17815018), (13, 16444632), (23, 9294792), (24, 8907509), (26, 8222316), (31, 6896136), (39, 5481544), (46, 4647396), (52, 4111158), (62, 3448068), (69, 3098264), (78, 2740772), (92, 2323698), (93, 2298712), (104, 2055579), (124, 1724034), (138, 1549132), (156, 1370386), (184, 1161849), (186, 1149356), (248, 862017), (276, 774566), (299, 714984), (312, 685193), (372, 574678), (403, 530472), (552, 387283), (598, 357492), (713, 299832), (744, 287339), (806, 265236), (897, 238328), (961, 222456), (1196, 178746), (1209, 176824), (1426, 149916), (1612, 132618), (1794, 119164), (1922, 111228), (2139, 99944), (2392, 89373), (2418, 88412), (2852, 74958), (2883, 74152), (3224, 66309), (3588, 59582), (3844, 55614), (4278, 49972), (4836, 44206), (5704, 37479), (5766, 37076), (7176, 29791), (7688, 27807), (8556, 24986), (9269, 23064), (9672, 22103), (11532, 18538), (12493, 17112)]