74799998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 147517440

約数和(自身を除く): 72717442

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 97, 133, 182, 194, 223, 247, 266, 446, 494, 679, 1261, 1358, 1561, 1729, 1843, 2522, 2899, 3122, 3458, 3686, 4237, 5798, 8474, 8827, 12901, 17654, 20293, 21631, 23959, 25802, 29659, 40586, 43262, 47918, 55081, 59318, 110162, 151417, 167713, 281203, 302834, 335426, 385567, 410989, 562406, 771134, 821978, 1968421, 2876923, 3936842, 5342857, 5753846, 10685714, 37399999, 74799998]

約数ペア:

[(1, 74799998), (2, 37399999), (7, 10685714), (13, 5753846), (14, 5342857), (19, 3936842), (26, 2876923), (38, 1968421), (91, 821978), (97, 771134), (133, 562406), (182, 410989), (194, 385567), (223, 335426), (247, 302834), (266, 281203), (446, 167713), (494, 151417), (679, 110162), (1261, 59318), (1358, 55081), (1561, 47918), (1729, 43262), (1843, 40586), (2522, 29659), (2899, 25802), (3122, 23959), (3458, 21631), (3686, 20293), (4237, 17654), (5798, 12901), (8474, 8827)]