461657872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 988533952

約数和(自身を除く): 526876080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 157, 208, 211, 268, 314, 422, 536, 628, 844, 871, 1072, 1256, 1688, 1742, 2041, 2512, 2743, 3376, 3484, 4082, 5486, 6968, 8164, 10519, 10972, 13936, 14137, 16328, 21038, 21944, 28274, 32656, 33127, 42076, 43888, 56548, 66254, 84152, 113096, 132508, 136747, 168304, 183781, 226192, 265016, 273494, 367562, 430651, 530032, 546988, 735124, 861302, 1093976, 1470248, 1722604, 2187952, 2219509, 2940496, 3445208, 4439018, 6890416, 8878036, 17756072, 28853617, 35512144, 57707234, 115414468, 230828936, 461657872]

約数ペア:

[(1, 461657872), (2, 230828936), (4, 115414468), (8, 57707234), (13, 35512144), (16, 28853617), (26, 17756072), (52, 8878036), (67, 6890416), (104, 4439018), (134, 3445208), (157, 2940496), (208, 2219509), (211, 2187952), (268, 1722604), (314, 1470248), (422, 1093976), (536, 861302), (628, 735124), (844, 546988), (871, 530032), (1072, 430651), (1256, 367562), (1688, 273494), (1742, 265016), (2041, 226192), (2512, 183781), (2743, 168304), (3376, 136747), (3484, 132508), (4082, 113096), (5486, 84152), (6968, 66254), (8164, 56548), (10519, 43888), (10972, 42076), (13936, 33127), (14137, 32656), (16328, 28274), (21038, 21944)]