28406784

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{1321}}^1$

素因数の和:1351

約数の個数: 88

約数和(自身を含む): 86596288

約数和(自身を除く): 58189504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1024, 1321, 1344, 1536, 1792, 2642, 2688, 3072, 3584, 3963, 5284, 5376, 7168, 7926, 9247, 10568, 10752, 15852, 18494, 21136, 21504, 27741, 31704, 36988, 42272, 55482, 63408, 73976, 84544, 110964, 126816, 147952, 169088, 221928, 253632, 295904, 338176, 443856, 507264, 591808, 676352, 887712, 1014528, 1183616, 1352704, 1775424, 2029056, 2367232, 3550848, 4058112, 4734464, 7101696, 9468928, 14203392, 28406784]

約数ペア:

[(1, 28406784), (2, 14203392), (3, 9468928), (4, 7101696), (6, 4734464), (7, 4058112), (8, 3550848), (12, 2367232), (14, 2029056), (16, 1775424), (21, 1352704), (24, 1183616), (28, 1014528), (32, 887712), (42, 676352), (48, 591808), (56, 507264), (64, 443856), (84, 338176), (96, 295904), (112, 253632), (128, 221928), (168, 169088), (192, 147952), (224, 126816), (256, 110964), (336, 84544), (384, 73976), (448, 63408), (512, 55482), (672, 42272), (768, 36988), (896, 31704), (1024, 27741), (1321, 21504), (1344, 21136), (1536, 18494), (1792, 15852), (2642, 10752), (2688, 10568), (3072, 9247), (3584, 7926), (3963, 7168), (5284, 5376)]