25517804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 24777364

約数列:

[1, 2, 4, 13, 26, 47, 52, 53, 94, 106, 188, 197, 212, 394, 611, 689, 788, 1222, 1378, 2444, 2491, 2561, 2756, 4982, 5122, 9259, 9964, 10244, 10441, 18518, 20882, 32383, 37036, 41764, 64766, 120367, 129532, 135733, 240734, 271466, 481468, 490727, 542932, 981454, 1962908, 6379451, 12758902, 25517804]

約数ペア:

[(1, 25517804), (2, 12758902), (4, 6379451), (13, 1962908), (26, 981454), (47, 542932), (52, 490727), (53, 481468), (94, 271466), (106, 240734), (188, 135733), (197, 129532), (212, 120367), (394, 64766), (611, 41764), (689, 37036), (788, 32383), (1222, 20882), (1378, 18518), (2444, 10441), (2491, 10244), (2561, 9964), (2756, 9259), (4982, 5122)]