215878156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 415507456

約数和(自身を除く): 199629300

約数列:

[1, 2, 4, 13, 26, 52, 97, 127, 194, 254, 337, 388, 508, 674, 1261, 1348, 1651, 2522, 3302, 4381, 5044, 6604, 8762, 12319, 17524, 24638, 32689, 42799, 49276, 65378, 85598, 130756, 160147, 171196, 320294, 424957, 556387, 640588, 849914, 1112774, 1699828, 2225548, 4151503, 8303006, 16606012, 53969539, 107939078, 215878156]

約数ペア:

[(1, 215878156), (2, 107939078), (4, 53969539), (13, 16606012), (26, 8303006), (52, 4151503), (97, 2225548), (127, 1699828), (194, 1112774), (254, 849914), (337, 640588), (388, 556387), (508, 424957), (674, 320294), (1261, 171196), (1348, 160147), (1651, 130756), (2522, 85598), (3302, 65378), (4381, 49276), (5044, 42799), (6604, 32689), (8762, 24638), (12319, 17524)]