221427726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 493371648

約数和(自身を除く): 271943922

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 107, 129, 214, 258, 321, 559, 617, 642, 1118, 1234, 1391, 1677, 1851, 2782, 3354, 3702, 4173, 4601, 8021, 8346, 9202, 13803, 16042, 24063, 26531, 27606, 48126, 53062, 59813, 66019, 79593, 119626, 132038, 159186, 179439, 198057, 344903, 358878, 396114, 689806, 858247, 1034709, 1716494, 2069418, 2574741, 2838817, 5149482, 5677634, 8516451, 17032902, 36904621, 73809242, 110713863, 221427726]

約数ペア:

[(1, 221427726), (2, 110713863), (3, 73809242), (6, 36904621), (13, 17032902), (26, 8516451), (39, 5677634), (43, 5149482), (78, 2838817), (86, 2574741), (107, 2069418), (129, 1716494), (214, 1034709), (258, 858247), (321, 689806), (559, 396114), (617, 358878), (642, 344903), (1118, 198057), (1234, 179439), (1391, 159186), (1677, 132038), (1851, 119626), (2782, 79593), (3354, 66019), (3702, 59813), (4173, 53062), (4601, 48126), (8021, 27606), (8346, 26531), (9202, 24063), (13803, 16042)]