81028752

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:805

約数の個数: 120

約数和(自身を含む): 249019776

約数和(自身を除く): 167991024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 49, 56, 84, 94, 98, 112, 141, 147, 168, 188, 196, 282, 294, 329, 336, 376, 392, 564, 588, 658, 733, 752, 784, 987, 1128, 1176, 1316, 1466, 1974, 2199, 2256, 2303, 2352, 2632, 2932, 3948, 4398, 4606, 5131, 5264, 5864, 6909, 7896, 8796, 9212, 10262, 11728, 13818, 15393, 15792, 17592, 18424, 20524, 27636, 30786, 34451, 35184, 35917, 36848, 41048, 55272, 61572, 68902, 71834, 82096, 103353, 107751, 110544, 123144, 137804, 143668, 206706, 215502, 241157, 246288, 275608, 287336, 413412, 431004, 482314, 551216, 574672, 723471, 826824, 862008, 964628, 1446942, 1653648, 1688099, 1724016, 1929256, 2893884, 3376198, 3858512, 5064297, 5787768, 6752396, 10128594, 11575536, 13504792, 20257188, 27009584, 40514376, 81028752]

約数ペア:

[(1, 81028752), (2, 40514376), (3, 27009584), (4, 20257188), (6, 13504792), (7, 11575536), (8, 10128594), (12, 6752396), (14, 5787768), (16, 5064297), (21, 3858512), (24, 3376198), (28, 2893884), (42, 1929256), (47, 1724016), (48, 1688099), (49, 1653648), (56, 1446942), (84, 964628), (94, 862008), (98, 826824), (112, 723471), (141, 574672), (147, 551216), (168, 482314), (188, 431004), (196, 413412), (282, 287336), (294, 275608), (329, 246288), (336, 241157), (376, 215502), (392, 206706), (564, 143668), (588, 137804), (658, 123144), (733, 110544), (752, 107751), (784, 103353), (987, 82096), (1128, 71834), (1176, 68902), (1316, 61572), (1466, 55272), (1974, 41048), (2199, 36848), (2256, 35917), (2303, 35184), (2352, 34451), (2632, 30786), (2932, 27636), (3948, 20524), (4398, 18424), (4606, 17592), (5131, 15792), (5264, 15393), (5864, 13818), (6909, 11728), (7896, 10262), (8796, 9212)]