661784664

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{2381}}^1$

素因数の和:2740

約数の個数: 64

約数和(自身を含む): 1705321440

約数和(自身を除く): 1043536776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 313, 444, 626, 888, 939, 1252, 1878, 2381, 2504, 3756, 4762, 7143, 7512, 9524, 11581, 14286, 19048, 23162, 28572, 34743, 46324, 57144, 69486, 88097, 92648, 138972, 176194, 264291, 277944, 352388, 528582, 704776, 745253, 1057164, 1490506, 2114328, 2235759, 2981012, 4471518, 5962024, 8943036, 17886072, 27574361, 55148722, 82723083, 110297444, 165446166, 220594888, 330892332, 661784664]

約数ペア:

[(1, 661784664), (2, 330892332), (3, 220594888), (4, 165446166), (6, 110297444), (8, 82723083), (12, 55148722), (24, 27574361), (37, 17886072), (74, 8943036), (111, 5962024), (148, 4471518), (222, 2981012), (296, 2235759), (313, 2114328), (444, 1490506), (626, 1057164), (888, 745253), (939, 704776), (1252, 528582), (1878, 352388), (2381, 277944), (2504, 264291), (3756, 176194), (4762, 138972), (7143, 92648), (7512, 88097), (9524, 69486), (11581, 57144), (14286, 46324), (19048, 34743), (23162, 28572)]