81693568

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3413}}^1$

素因数の和:3455

約数の個数: 64

約数和(自身を含む): 188043120

約数和(自身を除く): 106349552

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1408, 1496, 2176, 2992, 3413, 5984, 6826, 11968, 13652, 23936, 27304, 37543, 54608, 58021, 75086, 109216, 116042, 150172, 218432, 232084, 300344, 436864, 464168, 600688, 638231, 928336, 1201376, 1276462, 1856672, 2402752, 2552924, 3713344, 4805504, 5105848, 7426688, 10211696, 20423392, 40846784, 81693568]

約数ペア:

[(1, 81693568), (2, 40846784), (4, 20423392), (8, 10211696), (11, 7426688), (16, 5105848), (17, 4805504), (22, 3713344), (32, 2552924), (34, 2402752), (44, 1856672), (64, 1276462), (68, 1201376), (88, 928336), (128, 638231), (136, 600688), (176, 464168), (187, 436864), (272, 300344), (352, 232084), (374, 218432), (544, 150172), (704, 116042), (748, 109216), (1088, 75086), (1408, 58021), (1496, 54608), (2176, 37543), (2992, 27304), (3413, 23936), (5984, 13652), (6826, 11968)]