642393904

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1130

約数の個数: 60

約数和(自身を含む): 1318743720

約数和(自身を除く): 676349816

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 961, 1019, 1271, 1922, 2038, 2542, 3844, 4076, 5084, 7688, 8152, 10168, 15376, 16304, 20336, 31589, 39401, 41779, 63178, 78802, 83558, 126356, 157604, 167116, 252712, 315208, 334232, 505424, 630416, 668464, 979259, 1295149, 1958518, 2590298, 3917036, 5180596, 7834072, 10361192, 15668144, 20722384, 40149619, 80299238, 160598476, 321196952, 642393904]

約数ペア:

[(1, 642393904), (2, 321196952), (4, 160598476), (8, 80299238), (16, 40149619), (31, 20722384), (41, 15668144), (62, 10361192), (82, 7834072), (124, 5180596), (164, 3917036), (248, 2590298), (328, 1958518), (496, 1295149), (656, 979259), (961, 668464), (1019, 630416), (1271, 505424), (1922, 334232), (2038, 315208), (2542, 252712), (3844, 167116), (4076, 157604), (5084, 126356), (7688, 83558), (8152, 78802), (10168, 63178), (15376, 41779), (16304, 39401), (20336, 31589)]