518128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 1124928

約数和(自身を除く): 606800

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 53, 94, 104, 106, 188, 208, 212, 376, 424, 611, 689, 752, 848, 1222, 1378, 2444, 2491, 2756, 4888, 4982, 5512, 9776, 9964, 11024, 19928, 32383, 39856, 64766, 129532, 259064, 518128]

約数ペア:

[(1, 518128), (2, 259064), (4, 129532), (8, 64766), (13, 39856), (16, 32383), (26, 19928), (47, 11024), (52, 9964), (53, 9776), (94, 5512), (104, 4982), (106, 4888), (188, 2756), (208, 2491), (212, 2444), (376, 1378), (424, 1222), (611, 848), (689, 752)]