87477784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20749}}^1$

素因数の和:20803

約数の個数: 32

約数和(自身を含む): 179280000

約数和(自身を除く): 91802216

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 20749, 41498, 82996, 165992, 352733, 643219, 705466, 1286438, 1410932, 2572876, 2821864, 5145752, 10934723, 21869446, 43738892, 87477784]

約数ペア:

[(1, 87477784), (2, 43738892), (4, 21869446), (8, 10934723), (17, 5145752), (31, 2821864), (34, 2572876), (62, 1410932), (68, 1286438), (124, 705466), (136, 643219), (248, 352733), (527, 165992), (1054, 82996), (2108, 41498), (4216, 20749)]