253149728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3089}}^1$

素因数の和:3309

約数の個数: 48

約数和(自身を含む): 539625240

約数和(自身を除く): 286475512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 197, 208, 394, 416, 788, 1576, 2561, 3089, 3152, 5122, 6178, 6304, 10244, 12356, 20488, 24712, 40157, 40976, 49424, 80314, 81952, 98848, 160628, 321256, 608533, 642512, 1217066, 1285024, 2434132, 4868264, 7910929, 9736528, 15821858, 19473056, 31643716, 63287432, 126574864, 253149728]

約数ペア:

[(1, 253149728), (2, 126574864), (4, 63287432), (8, 31643716), (13, 19473056), (16, 15821858), (26, 9736528), (32, 7910929), (52, 4868264), (104, 2434132), (197, 1285024), (208, 1217066), (394, 642512), (416, 608533), (788, 321256), (1576, 160628), (2561, 98848), (3089, 81952), (3152, 80314), (5122, 49424), (6178, 40976), (6304, 40157), (10244, 24712), (12356, 20488)]