81643068

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4057}}^1$

素因数の和:4123

約数の個数: 72

約数和(自身を含む): 227475248

約数和(自身を除く): 145832180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 4057, 5031, 6708, 8114, 10062, 12171, 16228, 20124, 24342, 36513, 48684, 52741, 73026, 105482, 146052, 158223, 174451, 210964, 316446, 348902, 474669, 523353, 632892, 697804, 949338, 1046706, 1570059, 1898676, 2093412, 2267863, 3140118, 4535726, 6280236, 6803589, 9071452, 13607178, 20410767, 27214356, 40821534, 81643068]

約数ペア:

[(1, 81643068), (2, 40821534), (3, 27214356), (4, 20410767), (6, 13607178), (9, 9071452), (12, 6803589), (13, 6280236), (18, 4535726), (26, 3140118), (36, 2267863), (39, 2093412), (43, 1898676), (52, 1570059), (78, 1046706), (86, 949338), (117, 697804), (129, 632892), (156, 523353), (172, 474669), (234, 348902), (258, 316446), (387, 210964), (468, 174451), (516, 158223), (559, 146052), (774, 105482), (1118, 73026), (1548, 52741), (1677, 48684), (2236, 36513), (3354, 24342), (4057, 20124), (5031, 16228), (6708, 12171), (8114, 10062)]