28145536

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 60220800

約数和(自身を除く): 32075264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 128, 142, 152, 163, 284, 304, 326, 568, 608, 652, 1136, 1216, 1304, 1349, 2272, 2432, 2608, 2698, 3097, 4544, 5216, 5396, 6194, 9088, 10432, 10792, 11573, 12388, 20864, 21584, 23146, 24776, 43168, 46292, 49552, 86336, 92584, 99104, 172672, 185168, 198208, 219887, 370336, 396416, 439774, 740672, 879548, 1481344, 1759096, 3518192, 7036384, 14072768, 28145536]

約数ペア:

[(1, 28145536), (2, 14072768), (4, 7036384), (8, 3518192), (16, 1759096), (19, 1481344), (32, 879548), (38, 740672), (64, 439774), (71, 396416), (76, 370336), (128, 219887), (142, 198208), (152, 185168), (163, 172672), (284, 99104), (304, 92584), (326, 86336), (568, 49552), (608, 46292), (652, 43168), (1136, 24776), (1216, 23146), (1304, 21584), (1349, 20864), (2272, 12388), (2432, 11573), (2608, 10792), (2698, 10432), (3097, 9088), (4544, 6194), (5216, 5396)]