639517872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13693}}^1$

素因数の和:13850

約数の個数: 80

約数和(自身を含む): 1901822720

約数和(自身を除く): 1262304848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 556, 834, 973, 1112, 1668, 1946, 2224, 2919, 3336, 3892, 5838, 6672, 7784, 11676, 13693, 15568, 23352, 27386, 41079, 46704, 54772, 82158, 95851, 109544, 164316, 191702, 219088, 287553, 328632, 383404, 575106, 657264, 766808, 1150212, 1533616, 1903327, 2300424, 3806654, 4600848, 5709981, 7613308, 11419962, 13323289, 15226616, 22839924, 26646578, 30453232, 39969867, 45679848, 53293156, 79939734, 91359696, 106586312, 159879468, 213172624, 319758936, 639517872]

約数ペア:

[(1, 639517872), (2, 319758936), (3, 213172624), (4, 159879468), (6, 106586312), (7, 91359696), (8, 79939734), (12, 53293156), (14, 45679848), (16, 39969867), (21, 30453232), (24, 26646578), (28, 22839924), (42, 15226616), (48, 13323289), (56, 11419962), (84, 7613308), (112, 5709981), (139, 4600848), (168, 3806654), (278, 2300424), (336, 1903327), (417, 1533616), (556, 1150212), (834, 766808), (973, 657264), (1112, 575106), (1668, 383404), (1946, 328632), (2224, 287553), (2919, 219088), (3336, 191702), (3892, 164316), (5838, 109544), (6672, 95851), (7784, 82158), (11676, 54772), (13693, 46704), (15568, 41079), (23352, 27386)]