817967264

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{1259}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 1638403200

約数和(自身を除く): 820435936

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 257, 316, 514, 632, 1028, 1259, 1264, 2056, 2518, 2528, 4112, 5036, 8224, 10072, 20144, 20303, 40288, 40606, 81212, 99461, 162424, 198922, 323563, 324848, 397844, 647126, 649696, 795688, 1294252, 1591376, 2588504, 3182752, 5177008, 10354016, 25561477, 51122954, 102245908, 204491816, 408983632, 817967264]

約数ペア:

[(1, 817967264), (2, 408983632), (4, 204491816), (8, 102245908), (16, 51122954), (32, 25561477), (79, 10354016), (158, 5177008), (257, 3182752), (316, 2588504), (514, 1591376), (632, 1294252), (1028, 795688), (1259, 649696), (1264, 647126), (2056, 397844), (2518, 324848), (2528, 323563), (4112, 198922), (5036, 162424), (8224, 99461), (10072, 81212), (20144, 40606), (20303, 40288)]