257239268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19553}}^1$

素因数の和:19604

約数の個数: 48

約数和(自身を含む): 551892096

約数和(自身を除く): 294652828

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 3289, 6578, 13156, 19553, 39106, 78212, 215083, 254189, 430166, 449719, 508378, 860332, 899438, 1016756, 1798876, 2796079, 4946909, 5592158, 5846347, 9893818, 11184316, 11692694, 19787636, 23385388, 64309817, 128619634, 257239268]

約数ペア:

[(1, 257239268), (2, 128619634), (4, 64309817), (11, 23385388), (13, 19787636), (22, 11692694), (23, 11184316), (26, 9893818), (44, 5846347), (46, 5592158), (52, 4946909), (92, 2796079), (143, 1798876), (253, 1016756), (286, 899438), (299, 860332), (506, 508378), (572, 449719), (598, 430166), (1012, 254189), (1196, 215083), (3289, 78212), (6578, 39106), (13156, 19553)]