81385416

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5209}}^1$

素因数の和:5259

約数の個数: 96

約数和(自身を含む): 260083200

約数和(自身を除く): 178697784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 168, 186, 217, 248, 252, 279, 372, 434, 504, 558, 651, 744, 868, 1116, 1302, 1736, 1953, 2232, 2604, 3906, 5208, 5209, 7812, 10418, 15624, 15627, 20836, 31254, 36463, 41672, 46881, 62508, 72926, 93762, 109389, 125016, 145852, 161479, 187524, 218778, 291704, 322958, 328167, 375048, 437556, 484437, 645916, 656334, 875112, 968874, 1130353, 1291832, 1312668, 1453311, 1937748, 2260706, 2625336, 2906622, 3391059, 3875496, 4521412, 5813244, 6782118, 9042824, 10173177, 11626488, 13564236, 20346354, 27128472, 40692708, 81385416]

約数ペア:

[(1, 81385416), (2, 40692708), (3, 27128472), (4, 20346354), (6, 13564236), (7, 11626488), (8, 10173177), (9, 9042824), (12, 6782118), (14, 5813244), (18, 4521412), (21, 3875496), (24, 3391059), (28, 2906622), (31, 2625336), (36, 2260706), (42, 1937748), (56, 1453311), (62, 1312668), (63, 1291832), (72, 1130353), (84, 968874), (93, 875112), (124, 656334), (126, 645916), (168, 484437), (186, 437556), (217, 375048), (248, 328167), (252, 322958), (279, 291704), (372, 218778), (434, 187524), (504, 161479), (558, 145852), (651, 125016), (744, 109389), (868, 93762), (1116, 72926), (1302, 62508), (1736, 46881), (1953, 41672), (2232, 36463), (2604, 31254), (3906, 20836), (5208, 15627), (5209, 15624), (7812, 10418)]