664768

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 56

約数和(自身を含む): 1536192

約数和(自身を除く): 871424

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 47, 52, 64, 68, 94, 104, 136, 188, 208, 221, 272, 376, 416, 442, 544, 611, 752, 799, 832, 884, 1088, 1222, 1504, 1598, 1768, 2444, 3008, 3196, 3536, 4888, 6392, 7072, 9776, 10387, 12784, 14144, 19552, 20774, 25568, 39104, 41548, 51136, 83096, 166192, 332384, 664768]

約数ペア:

[(1, 664768), (2, 332384), (4, 166192), (8, 83096), (13, 51136), (16, 41548), (17, 39104), (26, 25568), (32, 20774), (34, 19552), (47, 14144), (52, 12784), (64, 10387), (68, 9776), (94, 7072), (104, 6392), (136, 4888), (188, 3536), (208, 3196), (221, 3008), (272, 2444), (376, 1768), (416, 1598), (442, 1504), (544, 1222), (611, 1088), (752, 884), (799, 832)]