1991117.00000000

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3631}}^1$

素因数の和:3709

約数の個数: 40

約数和(自身を含む): 141865920

約数和(自身を除く): 72789776

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 82, 116, 164, 232, 328, 464, 656, 1189, 2378, 3631, 4756, 7262, 9512, 14524, 19024, 29048, 58096, 105299, 148871, 210598, 297742, 421196, 595484, 842392, 1190968, 1684784, 2381936, 4317259, 8634518, 17269036, 34538072, 69076144]

約数ペア:

[(1, 69076144), (2, 34538072), (4, 17269036), (8, 8634518), (16, 4317259), (29, 2381936), (41, 1684784), (58, 1190968), (82, 842392), (116, 595484), (164, 421196), (232, 297742), (328, 210598), (464, 148871), (656, 105299), (1189, 58096), (2378, 29048), (3631, 19024), (4756, 14524), (7262, 9512)]