81971232

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:790

約数の個数: 96

約数和(自身を含む): 247468032

約数和(自身を除く): 165496800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 223, 224, 336, 446, 547, 669, 672, 892, 1094, 1338, 1561, 1641, 1784, 2188, 2676, 3122, 3282, 3568, 3829, 4376, 4683, 5352, 6244, 6564, 7136, 7658, 8752, 9366, 10704, 11487, 12488, 13128, 15316, 17504, 18732, 21408, 22974, 24976, 26256, 30632, 37464, 45948, 49952, 52512, 61264, 74928, 91896, 121981, 122528, 149856, 183792, 243962, 365943, 367584, 487924, 731886, 853867, 975848, 1463772, 1707734, 1951696, 2561601, 2927544, 3415468, 3903392, 5123202, 5855088, 6830936, 10246404, 11710176, 13661872, 20492808, 27323744, 40985616, 81971232]

約数ペア:

[(1, 81971232), (2, 40985616), (3, 27323744), (4, 20492808), (6, 13661872), (7, 11710176), (8, 10246404), (12, 6830936), (14, 5855088), (16, 5123202), (21, 3903392), (24, 3415468), (28, 2927544), (32, 2561601), (42, 1951696), (48, 1707734), (56, 1463772), (84, 975848), (96, 853867), (112, 731886), (168, 487924), (223, 367584), (224, 365943), (336, 243962), (446, 183792), (547, 149856), (669, 122528), (672, 121981), (892, 91896), (1094, 74928), (1338, 61264), (1561, 52512), (1641, 49952), (1784, 45948), (2188, 37464), (2676, 30632), (3122, 26256), (3282, 24976), (3568, 22974), (3829, 21408), (4376, 18732), (4683, 17504), (5352, 15316), (6244, 13128), (6564, 12488), (7136, 11487), (7658, 10704), (8752, 9366)]