28451072

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 62497344

約数和(自身を除く): 34046272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 103, 104, 128, 166, 206, 208, 256, 332, 412, 416, 664, 824, 832, 1079, 1328, 1339, 1648, 1664, 2158, 2656, 2678, 3296, 3328, 4316, 5312, 5356, 6592, 8549, 8632, 10624, 10712, 13184, 17098, 17264, 21248, 21424, 26368, 34196, 34528, 42848, 68392, 69056, 85696, 111137, 136784, 138112, 171392, 222274, 273568, 276224, 342784, 444548, 547136, 889096, 1094272, 1778192, 2188544, 3556384, 7112768, 14225536, 28451072]

約数ペア:

[(1, 28451072), (2, 14225536), (4, 7112768), (8, 3556384), (13, 2188544), (16, 1778192), (26, 1094272), (32, 889096), (52, 547136), (64, 444548), (83, 342784), (103, 276224), (104, 273568), (128, 222274), (166, 171392), (206, 138112), (208, 136784), (256, 111137), (332, 85696), (412, 69056), (416, 68392), (664, 42848), (824, 34528), (832, 34196), (1079, 26368), (1328, 21424), (1339, 21248), (1648, 17264), (1664, 17098), (2158, 13184), (2656, 10712), (2678, 10624), (3296, 8632), (3328, 8549), (4316, 6592), (5312, 5356)]