201923872

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 409080672

約数和(自身を除く): 207156800

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 257, 344, 514, 571, 688, 1028, 1142, 1376, 2056, 2284, 4112, 4568, 8224, 9136, 11051, 18272, 22102, 24553, 44204, 49106, 88408, 98212, 146747, 176816, 196424, 293494, 353632, 392848, 586988, 785696, 1173976, 2347952, 4695904, 6310121, 12620242, 25240484, 50480968, 100961936, 201923872]

約数ペア:

[(1, 201923872), (2, 100961936), (4, 50480968), (8, 25240484), (16, 12620242), (32, 6310121), (43, 4695904), (86, 2347952), (172, 1173976), (257, 785696), (344, 586988), (514, 392848), (571, 353632), (688, 293494), (1028, 196424), (1142, 176816), (1376, 146747), (2056, 98212), (2284, 88408), (4112, 49106), (4568, 44204), (8224, 24553), (9136, 22102), (11051, 18272)]