685804028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3991

約数の個数: 72

約数和(自身を含む): 1525763232

約数和(自身を除く): 839959204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 169, 182, 259, 338, 364, 481, 518, 676, 962, 1036, 1183, 1924, 2366, 3367, 3917, 4732, 6253, 6734, 7834, 12506, 13468, 15668, 25012, 27419, 43771, 50921, 54838, 87542, 101842, 109676, 144929, 175084, 203684, 289858, 356447, 579716, 661973, 712894, 1014503, 1323946, 1425788, 1884077, 2029006, 2647892, 3768154, 4058012, 4633811, 7536308, 9267622, 13188539, 18535244, 24493001, 26377078, 48986002, 52754156, 97972004, 171451007, 342902014, 685804028]

約数ペア:

[(1, 685804028), (2, 342902014), (4, 171451007), (7, 97972004), (13, 52754156), (14, 48986002), (26, 26377078), (28, 24493001), (37, 18535244), (52, 13188539), (74, 9267622), (91, 7536308), (148, 4633811), (169, 4058012), (182, 3768154), (259, 2647892), (338, 2029006), (364, 1884077), (481, 1425788), (518, 1323946), (676, 1014503), (962, 712894), (1036, 661973), (1183, 579716), (1924, 356447), (2366, 289858), (3367, 203684), (3917, 175084), (4732, 144929), (6253, 109676), (6734, 101842), (7834, 87542), (12506, 54838), (13468, 50921), (15668, 43771), (25012, 27419)]