391656692

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 808163328

約数和(自身を除く): 416506636

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 257, 259, 514, 518, 1028, 1036, 1471, 1799, 2942, 3598, 5884, 7196, 9509, 10297, 19018, 20594, 38036, 41188, 54427, 66563, 108854, 133126, 217708, 266252, 378047, 380989, 756094, 761978, 1512188, 1523956, 2646329, 5292658, 10585316, 13987739, 27975478, 55950956, 97914173, 195828346, 391656692]

約数ペア:

[(1, 391656692), (2, 195828346), (4, 97914173), (7, 55950956), (14, 27975478), (28, 13987739), (37, 10585316), (74, 5292658), (148, 2646329), (257, 1523956), (259, 1512188), (514, 761978), (518, 756094), (1028, 380989), (1036, 378047), (1471, 266252), (1799, 217708), (2942, 133126), (3598, 108854), (5884, 66563), (7196, 54427), (9509, 41188), (10297, 38036), (19018, 20594)]