25781448

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2027

約数の個数: 96

約数和(自身を含む): 81833760

約数和(自身を除く): 56052312

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 132, 147, 154, 168, 196, 231, 264, 294, 308, 392, 462, 539, 588, 616, 924, 1078, 1176, 1617, 1848, 1993, 2156, 3234, 3986, 4312, 5979, 6468, 7972, 11958, 12936, 13951, 15944, 21923, 23916, 27902, 41853, 43846, 47832, 55804, 65769, 83706, 87692, 97657, 111608, 131538, 153461, 167412, 175384, 195314, 263076, 292971, 306922, 334824, 390628, 460383, 526152, 585942, 613844, 781256, 920766, 1074227, 1171884, 1227688, 1841532, 2148454, 2343768, 3222681, 3683064, 4296908, 6445362, 8593816, 12890724, 25781448]

約数ペア:

[(1, 25781448), (2, 12890724), (3, 8593816), (4, 6445362), (6, 4296908), (7, 3683064), (8, 3222681), (11, 2343768), (12, 2148454), (14, 1841532), (21, 1227688), (22, 1171884), (24, 1074227), (28, 920766), (33, 781256), (42, 613844), (44, 585942), (49, 526152), (56, 460383), (66, 390628), (77, 334824), (84, 306922), (88, 292971), (98, 263076), (132, 195314), (147, 175384), (154, 167412), (168, 153461), (196, 131538), (231, 111608), (264, 97657), (294, 87692), (308, 83706), (392, 65769), (462, 55804), (539, 47832), (588, 43846), (616, 41853), (924, 27902), (1078, 23916), (1176, 21923), (1617, 15944), (1848, 13951), (1993, 12936), (2156, 11958), (3234, 7972), (3986, 6468), (4312, 5979)]