16564808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 35985600

約数和(自身を除く): 19420792

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 83, 101, 104, 152, 166, 202, 247, 332, 404, 494, 664, 808, 988, 1079, 1313, 1577, 1919, 1976, 2158, 2626, 3154, 3838, 4316, 5252, 6308, 7676, 8383, 8632, 10504, 12616, 15352, 16766, 20501, 24947, 33532, 41002, 49894, 67064, 82004, 99788, 108979, 159277, 164008, 199576, 217958, 318554, 435916, 637108, 871832, 1274216, 2070601, 4141202, 8282404, 16564808]

約数ペア:

[(1, 16564808), (2, 8282404), (4, 4141202), (8, 2070601), (13, 1274216), (19, 871832), (26, 637108), (38, 435916), (52, 318554), (76, 217958), (83, 199576), (101, 164008), (104, 159277), (152, 108979), (166, 99788), (202, 82004), (247, 67064), (332, 49894), (404, 41002), (494, 33532), (664, 24947), (808, 20501), (988, 16766), (1079, 15352), (1313, 12616), (1577, 10504), (1919, 8632), (1976, 8383), (2158, 7676), (2626, 6308), (3154, 5252), (3838, 4316)]