919242740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{13757}}^1$

素因数の和:14036

約数の個数: 48

約数和(自身を含む): 2087143632

約数和(自身を除く): 1167900892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3341, 5140, 6682, 13364, 13757, 16705, 27514, 33410, 55028, 66820, 68785, 137570, 178841, 275140, 357682, 715364, 894205, 1788410, 3535549, 3576820, 7071098, 14142196, 17677745, 35355490, 45962137, 70710980, 91924274, 183848548, 229810685, 459621370, 919242740]

約数ペア:

[(1, 919242740), (2, 459621370), (4, 229810685), (5, 183848548), (10, 91924274), (13, 70710980), (20, 45962137), (26, 35355490), (52, 17677745), (65, 14142196), (130, 7071098), (257, 3576820), (260, 3535549), (514, 1788410), (1028, 894205), (1285, 715364), (2570, 357682), (3341, 275140), (5140, 178841), (6682, 137570), (13364, 68785), (13757, 66820), (16705, 55028), (27514, 33410)]