645087196

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{691}}^1\times {\mathrm{1381}}^1$

素因数の和:2102

約数の個数: 36

約数和(自身を含む): 1225076664

約数和(自身を除く): 579989468

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 691, 1381, 1382, 2762, 2764, 5524, 8983, 17953, 17966, 35906, 35932, 71812, 116779, 233389, 233558, 466778, 467116, 933556, 954271, 1908542, 3817084, 12405523, 24811046, 49622092, 161271799, 322543598, 645087196]

約数ペア:

[(1, 645087196), (2, 322543598), (4, 161271799), (13, 49622092), (26, 24811046), (52, 12405523), (169, 3817084), (338, 1908542), (676, 954271), (691, 933556), (1381, 467116), (1382, 466778), (2762, 233558), (2764, 233389), (5524, 116779), (8983, 71812), (17953, 35932), (17966, 35906)]