664759836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1693}}^1$

素因数の和:2555

約数の個数: 72

約数和(自身を含む): 1812851040

約数和(自身を除く): 1148091204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 839, 1678, 1693, 2517, 3356, 3386, 5034, 5079, 6772, 7551, 10068, 10158, 10907, 15102, 15237, 20316, 21814, 22009, 30204, 30474, 32721, 43628, 44018, 60948, 65442, 66027, 88036, 98163, 130884, 132054, 196326, 198081, 264108, 392652, 396162, 792324, 1420427, 2840854, 4261281, 5681708, 8522562, 12783843, 17045124, 18465551, 25567686, 36931102, 51135372, 55396653, 73862204, 110793306, 166189959, 221586612, 332379918, 664759836]

約数ペア:

[(1, 664759836), (2, 332379918), (3, 221586612), (4, 166189959), (6, 110793306), (9, 73862204), (12, 55396653), (13, 51135372), (18, 36931102), (26, 25567686), (36, 18465551), (39, 17045124), (52, 12783843), (78, 8522562), (117, 5681708), (156, 4261281), (234, 2840854), (468, 1420427), (839, 792324), (1678, 396162), (1693, 392652), (2517, 264108), (3356, 198081), (3386, 196326), (5034, 132054), (5079, 130884), (6772, 98163), (7551, 88036), (10068, 66027), (10158, 65442), (10907, 60948), (15102, 44018), (15237, 43628), (20316, 32721), (21814, 30474), (22009, 30204)]