81289936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1860

約数の個数: 80

約数和(自身を含む): 200209408

約数和(自身を除く): 118919472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 1801, 2821, 3224, 3472, 3602, 5642, 6448, 7204, 11284, 12607, 14408, 22568, 23413, 25214, 28816, 45136, 46826, 50428, 55831, 93652, 100856, 111662, 163891, 187304, 201712, 223324, 327782, 374608, 390817, 446648, 655564, 725803, 781634, 893296, 1311128, 1451606, 1563268, 2622256, 2903212, 3126536, 5080621, 5806424, 6253072, 10161242, 11612848, 20322484, 40644968, 81289936]

約数ペア:

[(1, 81289936), (2, 40644968), (4, 20322484), (7, 11612848), (8, 10161242), (13, 6253072), (14, 5806424), (16, 5080621), (26, 3126536), (28, 2903212), (31, 2622256), (52, 1563268), (56, 1451606), (62, 1311128), (91, 893296), (104, 781634), (112, 725803), (124, 655564), (182, 446648), (208, 390817), (217, 374608), (248, 327782), (364, 223324), (403, 201712), (434, 187304), (496, 163891), (728, 111662), (806, 100856), (868, 93652), (1456, 55831), (1612, 50428), (1736, 46826), (1801, 45136), (2821, 28816), (3224, 25214), (3472, 23413), (3602, 22568), (5642, 14408), (6448, 12607), (7204, 11284)]