68007056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 81983344

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 53, 62, 104, 106, 124, 199, 208, 212, 248, 398, 403, 424, 496, 689, 796, 806, 848, 1378, 1592, 1612, 1643, 2587, 2756, 3184, 3224, 3286, 5174, 5512, 6169, 6448, 6572, 10348, 10547, 11024, 12338, 13144, 20696, 21094, 21359, 24676, 26288, 41392, 42188, 42718, 49352, 80197, 84376, 85436, 98704, 137111, 160394, 168752, 170872, 274222, 320788, 326957, 341744, 548444, 641576, 653914, 1096888, 1283152, 1307828, 2193776, 2615656, 4250441, 5231312, 8500882, 17001764, 34003528, 68007056]

約数ペア:

[(1, 68007056), (2, 34003528), (4, 17001764), (8, 8500882), (13, 5231312), (16, 4250441), (26, 2615656), (31, 2193776), (52, 1307828), (53, 1283152), (62, 1096888), (104, 653914), (106, 641576), (124, 548444), (199, 341744), (208, 326957), (212, 320788), (248, 274222), (398, 170872), (403, 168752), (424, 160394), (496, 137111), (689, 98704), (796, 85436), (806, 84376), (848, 80197), (1378, 49352), (1592, 42718), (1612, 42188), (1643, 41392), (2587, 26288), (2756, 24676), (3184, 21359), (3224, 21094), (3286, 20696), (5174, 13144), (5512, 12338), (6169, 11024), (6448, 10547), (6572, 10348)]