2912128990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127781}}^1$

素因数の和:127884

約数の個数: 32

約数和(自身を含む): 5464980576

約数和(自身を除く): 2552851586

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 2279, 4558, 11395, 22790, 127781, 255562, 638905, 1277810, 5494583, 6772393, 10989166, 13544786, 27472915, 33861965, 54945830, 67723930, 291212899, 582425798, 1456064495, 2912128990]

約数ペア:

[(1, 2912128990), (2, 1456064495), (5, 582425798), (10, 291212899), (43, 67723930), (53, 54945830), (86, 33861965), (106, 27472915), (215, 13544786), (265, 10989166), (430, 6772393), (530, 5494583), (2279, 1277810), (4558, 638905), (11395, 255562), (22790, 127781)]