212247828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 605404800

約数和(自身を除く): 393156972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 53, 78, 86, 106, 117, 129, 156, 159, 172, 199, 212, 234, 258, 318, 387, 398, 468, 477, 516, 559, 597, 636, 689, 774, 796, 954, 1118, 1194, 1378, 1548, 1677, 1791, 1908, 2067, 2236, 2279, 2388, 2587, 2756, 3354, 3582, 4134, 4558, 5031, 5174, 6201, 6708, 6837, 7164, 7761, 8268, 8557, 9116, 10062, 10348, 10547, 12402, 13674, 15522, 17114, 20124, 20511, 21094, 23283, 24804, 25671, 27348, 29627, 31044, 31641, 34228, 41022, 42188, 46566, 51342, 59254, 63282, 77013, 82044, 88881, 93132, 94923, 102684, 111241, 118508, 126564, 137111, 154026, 177762, 189846, 222482, 266643, 274222, 308052, 333723, 355524, 379692, 411333, 444964, 453521, 533286, 548444, 667446, 822666, 907042, 1001169, 1066572, 1233999, 1334892, 1360563, 1645332, 1814084, 2002338, 2467998, 2721126, 4004676, 4081689, 4935996, 5442252, 5895773, 8163378, 11791546, 16326756, 17687319, 23583092, 35374638, 53061957, 70749276, 106123914, 212247828]

約数ペア:

[(1, 212247828), (2, 106123914), (3, 70749276), (4, 53061957), (6, 35374638), (9, 23583092), (12, 17687319), (13, 16326756), (18, 11791546), (26, 8163378), (36, 5895773), (39, 5442252), (43, 4935996), (52, 4081689), (53, 4004676), (78, 2721126), (86, 2467998), (106, 2002338), (117, 1814084), (129, 1645332), (156, 1360563), (159, 1334892), (172, 1233999), (199, 1066572), (212, 1001169), (234, 907042), (258, 822666), (318, 667446), (387, 548444), (398, 533286), (468, 453521), (477, 444964), (516, 411333), (559, 379692), (597, 355524), (636, 333723), (689, 308052), (774, 274222), (796, 266643), (954, 222482), (1118, 189846), (1194, 177762), (1378, 154026), (1548, 137111), (1677, 126564), (1791, 118508), (1908, 111241), (2067, 102684), (2236, 94923), (2279, 93132), (2388, 88881), (2587, 82044), (2756, 77013), (3354, 63282), (3582, 59254), (4134, 51342), (4558, 46566), (5031, 42188), (5174, 41022), (6201, 34228), (6708, 31641), (6837, 31044), (7164, 29627), (7761, 27348), (8268, 25671), (8557, 24804), (9116, 23283), (10062, 21094), (10348, 20511), (10547, 20124), (12402, 17114), (13674, 15522)]