204913408

素因数分解:

$2^8\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2853

約数の個数: 72

約数和(自身を含む): 479031840

約数和(自身を除く): 274118432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 574, 656, 896, 1148, 1312, 1792, 2296, 2624, 2789, 4592, 5248, 5578, 9184, 10496, 11156, 18368, 19523, 22312, 36736, 39046, 44624, 73472, 78092, 89248, 114349, 156184, 178496, 228698, 312368, 356992, 457396, 624736, 713984, 800443, 914792, 1249472, 1600886, 1829584, 2498944, 3201772, 3659168, 4997888, 6403544, 7318336, 12807088, 14636672, 25614176, 29273344, 51228352, 102456704, 204913408]

約数ペア:

[(1, 204913408), (2, 102456704), (4, 51228352), (7, 29273344), (8, 25614176), (14, 14636672), (16, 12807088), (28, 7318336), (32, 6403544), (41, 4997888), (56, 3659168), (64, 3201772), (82, 2498944), (112, 1829584), (128, 1600886), (164, 1249472), (224, 914792), (256, 800443), (287, 713984), (328, 624736), (448, 457396), (574, 356992), (656, 312368), (896, 228698), (1148, 178496), (1312, 156184), (1792, 114349), (2296, 89248), (2624, 78092), (2789, 73472), (4592, 44624), (5248, 39046), (5578, 36736), (9184, 22312), (10496, 19523), (11156, 18368)]