642739616

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{15803}}^1$

素因数の和:15885

約数の個数: 48

約数和(自身を含む): 1338156288

約数和(自身を除く): 695416672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 496, 656, 992, 1271, 1312, 2542, 5084, 10168, 15803, 20336, 31606, 40672, 63212, 126424, 252848, 489893, 505696, 647923, 979786, 1295846, 1959572, 2591692, 3919144, 5183384, 7838288, 10366768, 15676576, 20085613, 20733536, 40171226, 80342452, 160684904, 321369808, 642739616]

約数ペア:

[(1, 642739616), (2, 321369808), (4, 160684904), (8, 80342452), (16, 40171226), (31, 20733536), (32, 20085613), (41, 15676576), (62, 10366768), (82, 7838288), (124, 5183384), (164, 3919144), (248, 2591692), (328, 1959572), (496, 1295846), (656, 979786), (992, 647923), (1271, 505696), (1312, 489893), (2542, 252848), (5084, 126424), (10168, 63212), (15803, 40672), (20336, 31606)]