255581404

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 490470400

約数和(自身を除く): 234888996

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 229, 254, 338, 458, 508, 676, 916, 1651, 2197, 2977, 3302, 4394, 5954, 6604, 8788, 11908, 21463, 29083, 38701, 42926, 58166, 77402, 85852, 116332, 154804, 279019, 378079, 503113, 558038, 756158, 1006226, 1116076, 1512316, 2012452, 4915027, 9830054, 19660108, 63895351, 127790702, 255581404]

約数ペア:

[(1, 255581404), (2, 127790702), (4, 63895351), (13, 19660108), (26, 9830054), (52, 4915027), (127, 2012452), (169, 1512316), (229, 1116076), (254, 1006226), (338, 756158), (458, 558038), (508, 503113), (676, 378079), (916, 279019), (1651, 154804), (2197, 116332), (2977, 85852), (3302, 77402), (4394, 58166), (5954, 42926), (6604, 38701), (8788, 29083), (11908, 21463)]