25494664

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 52539300

約数和(自身を除く): 27044636

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 169, 173, 218, 338, 346, 436, 676, 692, 872, 1352, 1384, 1417, 2249, 2834, 4498, 5668, 8996, 11336, 17992, 18421, 18857, 29237, 36842, 37714, 58474, 73684, 75428, 116948, 147368, 150856, 233896, 245141, 490282, 980564, 1961128, 3186833, 6373666, 12747332, 25494664]

約数ペア:

[(1, 25494664), (2, 12747332), (4, 6373666), (8, 3186833), (13, 1961128), (26, 980564), (52, 490282), (104, 245141), (109, 233896), (169, 150856), (173, 147368), (218, 116948), (338, 75428), (346, 73684), (436, 58474), (676, 37714), (692, 36842), (872, 29237), (1352, 18857), (1384, 18421), (1417, 17992), (2249, 11336), (2834, 8996), (4498, 5668)]