26378872

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 54351000

約数和(自身を除く): 27972128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 169, 179, 218, 338, 358, 436, 676, 716, 872, 1352, 1417, 1432, 2327, 2834, 4654, 5668, 9308, 11336, 18421, 18616, 19511, 30251, 36842, 39022, 60502, 73684, 78044, 121004, 147368, 156088, 242008, 253643, 507286, 1014572, 2029144, 3297359, 6594718, 13189436, 26378872]

約数ペア:

[(1, 26378872), (2, 13189436), (4, 6594718), (8, 3297359), (13, 2029144), (26, 1014572), (52, 507286), (104, 253643), (109, 242008), (169, 156088), (179, 147368), (218, 121004), (338, 78044), (358, 73684), (436, 60502), (676, 39022), (716, 36842), (872, 30251), (1352, 19511), (1417, 18616), (1432, 18421), (2327, 11336), (2834, 9308), (4654, 5668)]