71478968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 155541600

約数和(自身を除く): 84062632

約数列:

[1, 2, 4, 8, 11, 22, 29, 37, 44, 58, 74, 88, 116, 148, 232, 296, 319, 407, 638, 757, 814, 1073, 1276, 1514, 1628, 2146, 2552, 3028, 3256, 4292, 6056, 8327, 8584, 11803, 16654, 21953, 23606, 28009, 33308, 43906, 47212, 56018, 66616, 87812, 94424, 112036, 175624, 224072, 241483, 308099, 482966, 616198, 812261, 965932, 1232396, 1624522, 1931864, 2464792, 3249044, 6498088, 8934871, 17869742, 35739484, 71478968]

約数ペア:

[(1, 71478968), (2, 35739484), (4, 17869742), (8, 8934871), (11, 6498088), (22, 3249044), (29, 2464792), (37, 1931864), (44, 1624522), (58, 1232396), (74, 965932), (88, 812261), (116, 616198), (148, 482966), (232, 308099), (296, 241483), (319, 224072), (407, 175624), (638, 112036), (757, 94424), (814, 87812), (1073, 66616), (1276, 56018), (1514, 47212), (1628, 43906), (2146, 33308), (2552, 28009), (3028, 23606), (3256, 21953), (4292, 16654), (6056, 11803), (8327, 8584)]