12891228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 35618688

約数和(自身を除く): 22727460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 83, 84, 86, 129, 166, 172, 249, 258, 301, 332, 498, 516, 581, 602, 903, 996, 1162, 1204, 1743, 1806, 1849, 2324, 3486, 3569, 3612, 3698, 5547, 6972, 7138, 7396, 10707, 11094, 12943, 14276, 21414, 22188, 24983, 25886, 38829, 42828, 49966, 51772, 74949, 77658, 99932, 149898, 153467, 155316, 299796, 306934, 460401, 613868, 920802, 1074269, 1841604, 2148538, 3222807, 4297076, 6445614, 12891228]

約数ペア:

[(1, 12891228), (2, 6445614), (3, 4297076), (4, 3222807), (6, 2148538), (7, 1841604), (12, 1074269), (14, 920802), (21, 613868), (28, 460401), (42, 306934), (43, 299796), (83, 155316), (84, 153467), (86, 149898), (129, 99932), (166, 77658), (172, 74949), (249, 51772), (258, 49966), (301, 42828), (332, 38829), (498, 25886), (516, 24983), (581, 22188), (602, 21414), (903, 14276), (996, 12943), (1162, 11094), (1204, 10707), (1743, 7396), (1806, 7138), (1849, 6972), (2324, 5547), (3486, 3698), (3569, 3612)]