491821428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{8623}}^1$

素因数の和:8741

約数の個数: 72

約数和(自身を含む): 1348862592

約数和(自身を除く): 857041164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 147, 194, 196, 291, 294, 388, 582, 588, 679, 1164, 1358, 2037, 2716, 4074, 4753, 8148, 8623, 9506, 14259, 17246, 19012, 25869, 28518, 34492, 51738, 57036, 60361, 103476, 120722, 181083, 241444, 362166, 422527, 724332, 836431, 845054, 1267581, 1672862, 1690108, 2509293, 2535162, 3345724, 5018586, 5070324, 5855017, 10037172, 11710034, 17565051, 23420068, 35130102, 40985119, 70260204, 81970238, 122955357, 163940476, 245910714, 491821428]

約数ペア:

[(1, 491821428), (2, 245910714), (3, 163940476), (4, 122955357), (6, 81970238), (7, 70260204), (12, 40985119), (14, 35130102), (21, 23420068), (28, 17565051), (42, 11710034), (49, 10037172), (84, 5855017), (97, 5070324), (98, 5018586), (147, 3345724), (194, 2535162), (196, 2509293), (291, 1690108), (294, 1672862), (388, 1267581), (582, 845054), (588, 836431), (679, 724332), (1164, 422527), (1358, 362166), (2037, 241444), (2716, 181083), (4074, 120722), (4753, 103476), (8148, 60361), (8623, 57036), (9506, 51738), (14259, 34492), (17246, 28518), (19012, 25869)]