217170468

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2647}}^1$

素因数の和:2753

約数の個数: 72

約数和(自身を含む): 572539968

約数和(自身を除く): 355369500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 387, 477, 516, 636, 774, 954, 1548, 1908, 2279, 2647, 4558, 5294, 6837, 7941, 9116, 10588, 13674, 15882, 20511, 23823, 27348, 31764, 41022, 47646, 82044, 95292, 113821, 140291, 227642, 280582, 341463, 420873, 455284, 561164, 682926, 841746, 1024389, 1262619, 1365852, 1683492, 2048778, 2525238, 4097556, 5050476, 6032513, 12065026, 18097539, 24130052, 36195078, 54292617, 72390156, 108585234, 217170468]

約数ペア:

[(1, 217170468), (2, 108585234), (3, 72390156), (4, 54292617), (6, 36195078), (9, 24130052), (12, 18097539), (18, 12065026), (36, 6032513), (43, 5050476), (53, 4097556), (86, 2525238), (106, 2048778), (129, 1683492), (159, 1365852), (172, 1262619), (212, 1024389), (258, 841746), (318, 682926), (387, 561164), (477, 455284), (516, 420873), (636, 341463), (774, 280582), (954, 227642), (1548, 140291), (1908, 113821), (2279, 95292), (2647, 82044), (4558, 47646), (5294, 41022), (6837, 31764), (7941, 27348), (9116, 23823), (10588, 20511), (13674, 15882)]