720877804

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 1313063136

約数和(自身を除く): 592185332

約数列:

[1, 2, 4, 53, 101, 106, 131, 202, 212, 257, 262, 404, 514, 524, 1028, 5353, 6943, 10706, 13231, 13621, 13886, 21412, 25957, 26462, 27242, 27772, 33667, 51914, 52924, 54484, 67334, 103828, 134668, 701243, 1375721, 1402486, 1784351, 2751442, 2804972, 3400367, 3568702, 5502884, 6800734, 7137404, 13601468, 180219451, 360438902, 720877804]

約数ペア:

[(1, 720877804), (2, 360438902), (4, 180219451), (53, 13601468), (101, 7137404), (106, 6800734), (131, 5502884), (202, 3568702), (212, 3400367), (257, 2804972), (262, 2751442), (404, 1784351), (514, 1402486), (524, 1375721), (1028, 701243), (5353, 134668), (6943, 103828), (10706, 67334), (13231, 54484), (13621, 52924), (13886, 51914), (21412, 33667), (25957, 27772), (26462, 27242)]