291861612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1223}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 844736256

約数和(自身を除く): 552874644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 947, 1223, 1894, 2446, 2841, 3669, 3788, 4892, 5682, 6629, 7338, 8523, 8561, 11007, 11364, 13258, 14676, 17046, 17122, 19887, 22014, 25683, 26516, 34092, 34244, 39774, 44028, 51366, 59661, 77049, 79548, 102732, 119322, 154098, 238644, 308196, 1158181, 2316362, 3474543, 4632724, 6949086, 8107267, 10423629, 13898172, 16214534, 20847258, 24321801, 32429068, 41694516, 48643602, 72965403, 97287204, 145930806, 291861612]

約数ペア:

[(1, 291861612), (2, 145930806), (3, 97287204), (4, 72965403), (6, 48643602), (7, 41694516), (9, 32429068), (12, 24321801), (14, 20847258), (18, 16214534), (21, 13898172), (28, 10423629), (36, 8107267), (42, 6949086), (63, 4632724), (84, 3474543), (126, 2316362), (252, 1158181), (947, 308196), (1223, 238644), (1894, 154098), (2446, 119322), (2841, 102732), (3669, 79548), (3788, 77049), (4892, 59661), (5682, 51366), (6629, 44028), (7338, 39774), (8523, 34244), (8561, 34092), (11007, 26516), (11364, 25683), (13258, 22014), (14676, 19887), (17046, 17122)]