318391892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2423}}^1$

素因数の和:2485

約数の個数: 72

約数和(自身を含む): 724058496

約数和(自身を除く): 405666604

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 361, 364, 494, 532, 722, 988, 1444, 1729, 2423, 2527, 3458, 4693, 4846, 5054, 6916, 9386, 9692, 10108, 16961, 18772, 31499, 32851, 33922, 46037, 62998, 65702, 67844, 92074, 125996, 131404, 184148, 220493, 322259, 440986, 598481, 644518, 874703, 881972, 1196962, 1289036, 1749406, 2393924, 3498812, 4189367, 6122921, 8378734, 11371139, 12245842, 16757468, 22742278, 24491684, 45484556, 79597973, 159195946, 318391892]

約数ペア:

[(1, 318391892), (2, 159195946), (4, 79597973), (7, 45484556), (13, 24491684), (14, 22742278), (19, 16757468), (26, 12245842), (28, 11371139), (38, 8378734), (52, 6122921), (76, 4189367), (91, 3498812), (133, 2393924), (182, 1749406), (247, 1289036), (266, 1196962), (361, 881972), (364, 874703), (494, 644518), (532, 598481), (722, 440986), (988, 322259), (1444, 220493), (1729, 184148), (2423, 131404), (2527, 125996), (3458, 92074), (4693, 67844), (4846, 65702), (5054, 62998), (6916, 46037), (9386, 33922), (9692, 32851), (10108, 31499), (16961, 18772)]