251234208

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20287}}^1$

素因数の和:20346

約数の個数: 72

約数和(自身を含む): 731098368

約数和(自身を除く): 479864160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 2064, 3096, 4128, 6192, 12384, 20287, 40574, 60861, 81148, 121722, 162296, 182583, 243444, 324592, 365166, 486888, 649184, 730332, 872341, 973776, 1460664, 1744682, 1947552, 2617023, 2921328, 3489364, 5234046, 5842656, 6978728, 7851069, 10468092, 13957456, 15702138, 20936184, 27914912, 31404276, 41872368, 62808552, 83744736, 125617104, 251234208]

約数ペア:

[(1, 251234208), (2, 125617104), (3, 83744736), (4, 62808552), (6, 41872368), (8, 31404276), (9, 27914912), (12, 20936184), (16, 15702138), (18, 13957456), (24, 10468092), (32, 7851069), (36, 6978728), (43, 5842656), (48, 5234046), (72, 3489364), (86, 2921328), (96, 2617023), (129, 1947552), (144, 1744682), (172, 1460664), (258, 973776), (288, 872341), (344, 730332), (387, 649184), (516, 486888), (688, 365166), (774, 324592), (1032, 243444), (1376, 182583), (1548, 162296), (2064, 121722), (3096, 81148), (4128, 60861), (6192, 40574), (12384, 20287)]