128657936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23581}}^1$

素因数の和:23631

約数の個数: 40

約数和(自身を含む): 280720128

約数和(自身を除く): 152062192

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 23581, 47162, 94324, 188648, 259391, 377296, 518782, 731011, 1037564, 1462022, 2075128, 2924044, 4150256, 5848088, 8041121, 11696176, 16082242, 32164484, 64328968, 128657936]

約数ペア:

[(1, 128657936), (2, 64328968), (4, 32164484), (8, 16082242), (11, 11696176), (16, 8041121), (22, 5848088), (31, 4150256), (44, 2924044), (62, 2075128), (88, 1462022), (124, 1037564), (176, 731011), (248, 518782), (341, 377296), (496, 259391), (682, 188648), (1364, 94324), (2728, 47162), (5456, 23581)]