31131776

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 68244120

約数和(自身を除く): 37112344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 208, 212, 353, 416, 424, 689, 706, 832, 848, 1378, 1412, 1664, 1696, 2756, 2824, 3392, 4589, 5512, 5648, 6784, 9178, 11024, 11296, 18356, 18709, 22048, 22592, 36712, 37418, 44096, 45184, 73424, 74836, 88192, 146848, 149672, 243217, 293696, 299344, 486434, 587392, 598688, 972868, 1197376, 1945736, 2394752, 3891472, 7782944, 15565888, 31131776]

約数ペア:

[(1, 31131776), (2, 15565888), (4, 7782944), (8, 3891472), (13, 2394752), (16, 1945736), (26, 1197376), (32, 972868), (52, 598688), (53, 587392), (64, 486434), (104, 299344), (106, 293696), (128, 243217), (208, 149672), (212, 146848), (353, 88192), (416, 74836), (424, 73424), (689, 45184), (706, 44096), (832, 37418), (848, 36712), (1378, 22592), (1412, 22048), (1664, 18709), (1696, 18356), (2756, 11296), (2824, 11024), (3392, 9178), (4589, 6784), (5512, 5648)]