81218844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16963}}^1$

素因数の和:16999

約数の個数: 72

約数和(自身を含む): 246995840

約数和(自身を除く): 165776996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 16963, 33926, 50889, 67852, 101778, 118741, 152667, 203556, 237482, 305334, 322297, 356223, 474964, 610668, 644594, 712446, 966891, 1068669, 1289188, 1424892, 1933782, 2137338, 2256079, 2900673, 3867564, 4274676, 4512158, 5801346, 6768237, 9024316, 11602692, 13536474, 20304711, 27072948, 40609422, 81218844]

約数ペア:

[(1, 81218844), (2, 40609422), (3, 27072948), (4, 20304711), (6, 13536474), (7, 11602692), (9, 9024316), (12, 6768237), (14, 5801346), (18, 4512158), (19, 4274676), (21, 3867564), (28, 2900673), (36, 2256079), (38, 2137338), (42, 1933782), (57, 1424892), (63, 1289188), (76, 1068669), (84, 966891), (114, 712446), (126, 644594), (133, 610668), (171, 474964), (228, 356223), (252, 322297), (266, 305334), (342, 237482), (399, 203556), (532, 152667), (684, 118741), (798, 101778), (1197, 67852), (1596, 50889), (2394, 33926), (4788, 16963)]