28141386

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 72777600

約数和(自身を除く): 44636214

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 49, 74, 78, 91, 98, 111, 147, 182, 199, 222, 259, 273, 294, 398, 481, 518, 546, 597, 637, 777, 962, 1194, 1274, 1393, 1443, 1554, 1813, 1911, 2587, 2786, 2886, 3367, 3626, 3822, 4179, 5174, 5439, 6734, 7363, 7761, 8358, 9751, 10101, 10878, 14726, 15522, 18109, 19502, 20202, 22089, 23569, 29253, 36218, 44178, 47138, 51541, 54327, 58506, 70707, 95719, 103082, 108654, 126763, 141414, 154623, 191438, 253526, 287157, 309246, 360787, 380289, 574314, 670033, 721574, 760578, 1082361, 1340066, 2010099, 2164722, 4020198, 4690231, 9380462, 14070693, 28141386]

約数ペア:

[(1, 28141386), (2, 14070693), (3, 9380462), (6, 4690231), (7, 4020198), (13, 2164722), (14, 2010099), (21, 1340066), (26, 1082361), (37, 760578), (39, 721574), (42, 670033), (49, 574314), (74, 380289), (78, 360787), (91, 309246), (98, 287157), (111, 253526), (147, 191438), (182, 154623), (199, 141414), (222, 126763), (259, 108654), (273, 103082), (294, 95719), (398, 70707), (481, 58506), (518, 54327), (546, 51541), (597, 47138), (637, 44178), (777, 36218), (962, 29253), (1194, 23569), (1274, 22089), (1393, 20202), (1443, 19502), (1554, 18109), (1813, 15522), (1911, 14726), (2587, 10878), (2786, 10101), (2886, 9751), (3367, 8358), (3626, 7761), (3822, 7363), (4179, 6734), (5174, 5439)]