1978408256

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{6871}}^1$

素因数の和:7303

約数の個数: 56

約数和(自身を含む): 4293900480

約数和(自身を除く): 2315492224

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 409, 704, 818, 1636, 3272, 4499, 6544, 6871, 8998, 13088, 13742, 17996, 26176, 27484, 35992, 54968, 71984, 75581, 109936, 143968, 151162, 219872, 287936, 302324, 439744, 604648, 1209296, 2418592, 2810239, 4837184, 5620478, 11240956, 22481912, 30912629, 44963824, 61825258, 89927648, 123650516, 179855296, 247301032, 494602064, 989204128, 1978408256]

約数ペア:

[(1, 1978408256), (2, 989204128), (4, 494602064), (8, 247301032), (11, 179855296), (16, 123650516), (22, 89927648), (32, 61825258), (44, 44963824), (64, 30912629), (88, 22481912), (176, 11240956), (352, 5620478), (409, 4837184), (704, 2810239), (818, 2418592), (1636, 1209296), (3272, 604648), (4499, 439744), (6544, 302324), (6871, 287936), (8998, 219872), (13088, 151162), (13742, 143968), (17996, 109936), (26176, 75581), (27484, 71984), (35992, 54968)]