131303984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61703}}^1$

素因数の和:61737

約数の個数: 40

約数和(自身を含む): 306051840

約数和(自身を除く): 174747856

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 61703, 123406, 246812, 431921, 493624, 863842, 987248, 1172357, 1727684, 2344714, 3455368, 4689428, 6910736, 8206499, 9378856, 16412998, 18757712, 32825996, 65651992, 131303984]

約数ペア:

[(1, 131303984), (2, 65651992), (4, 32825996), (7, 18757712), (8, 16412998), (14, 9378856), (16, 8206499), (19, 6910736), (28, 4689428), (38, 3455368), (56, 2344714), (76, 1727684), (112, 1172357), (133, 987248), (152, 863842), (266, 493624), (304, 431921), (532, 246812), (1064, 123406), (2128, 61703)]