287221168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 615960576

約数和(自身を除く): 328739408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 127, 131, 166, 208, 254, 262, 332, 508, 524, 664, 1016, 1048, 1079, 1328, 1651, 1703, 2032, 2096, 2158, 3302, 3406, 4316, 6604, 6812, 8632, 10541, 10873, 13208, 13624, 16637, 17264, 21082, 21746, 26416, 27248, 33274, 42164, 43492, 66548, 84328, 86984, 133096, 137033, 141349, 168656, 173968, 216281, 266192, 274066, 282698, 432562, 548132, 565396, 865124, 1096264, 1130792, 1380871, 1730248, 2192528, 2261584, 2761742, 3460496, 5523484, 11046968, 17951323, 22093936, 35902646, 71805292, 143610584, 287221168]

約数ペア:

[(1, 287221168), (2, 143610584), (4, 71805292), (8, 35902646), (13, 22093936), (16, 17951323), (26, 11046968), (52, 5523484), (83, 3460496), (104, 2761742), (127, 2261584), (131, 2192528), (166, 1730248), (208, 1380871), (254, 1130792), (262, 1096264), (332, 865124), (508, 565396), (524, 548132), (664, 432562), (1016, 282698), (1048, 274066), (1079, 266192), (1328, 216281), (1651, 173968), (1703, 168656), (2032, 141349), (2096, 137033), (2158, 133096), (3302, 86984), (3406, 84328), (4316, 66548), (6604, 43492), (6812, 42164), (8632, 33274), (10541, 27248), (10873, 26416), (13208, 21746), (13624, 21082), (16637, 17264)]