289330276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 553522032

約数和(自身を除く): 264191756

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 157, 164, 314, 628, 661, 697, 1322, 1394, 2644, 2669, 2788, 5338, 6437, 10676, 11237, 12874, 22474, 25748, 27101, 44948, 54202, 103777, 108404, 109429, 207554, 218858, 415108, 437716, 460717, 921434, 1764209, 1842868, 3528418, 4254857, 7056836, 8509714, 17019428, 72332569, 144665138, 289330276]

約数ペア:

[(1, 289330276), (2, 144665138), (4, 72332569), (17, 17019428), (34, 8509714), (41, 7056836), (68, 4254857), (82, 3528418), (157, 1842868), (164, 1764209), (314, 921434), (628, 460717), (661, 437716), (697, 415108), (1322, 218858), (1394, 207554), (2644, 109429), (2669, 108404), (2788, 103777), (5338, 54202), (6437, 44948), (10676, 27101), (11237, 25748), (12874, 22474)]