28527232

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 59780160

約数和(自身を除く): 31252928

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 73, 86, 128, 142, 146, 172, 284, 292, 344, 568, 584, 688, 1136, 1168, 1376, 2272, 2336, 2752, 3053, 3139, 4544, 4672, 5183, 5504, 6106, 6278, 9088, 9344, 10366, 12212, 12556, 20732, 24424, 25112, 41464, 48848, 50224, 82928, 97696, 100448, 165856, 195392, 200896, 222869, 331712, 390784, 401792, 445738, 663424, 891476, 1782952, 3565904, 7131808, 14263616, 28527232]

約数ペア:

[(1, 28527232), (2, 14263616), (4, 7131808), (8, 3565904), (16, 1782952), (32, 891476), (43, 663424), (64, 445738), (71, 401792), (73, 390784), (86, 331712), (128, 222869), (142, 200896), (146, 195392), (172, 165856), (284, 100448), (292, 97696), (344, 82928), (568, 50224), (584, 48848), (688, 41464), (1136, 25112), (1168, 24424), (1376, 20732), (2272, 12556), (2336, 12212), (2752, 10366), (3053, 9344), (3139, 9088), (4544, 6278), (4672, 6106), (5183, 5504)]