491943711

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 811376640

約数和(自身を除く): 319432929

約数列:

[1, 3, 7, 21, 23, 59, 61, 69, 161, 177, 183, 283, 413, 427, 483, 849, 1239, 1281, 1357, 1403, 1981, 3599, 4071, 4209, 5943, 6509, 9499, 9821, 10797, 16697, 17263, 19527, 25193, 28497, 29463, 45563, 50091, 51789, 75579, 82777, 116879, 120841, 136689, 248331, 350637, 362523, 384031, 397049, 579439, 1018517, 1152093, 1191147, 1738317, 2688217, 2779343, 3055551, 7129619, 8064651, 8338029, 21388857, 23425891, 70277673, 163981237, 491943711]

約数ペア:

[(1, 491943711), (3, 163981237), (7, 70277673), (21, 23425891), (23, 21388857), (59, 8338029), (61, 8064651), (69, 7129619), (161, 3055551), (177, 2779343), (183, 2688217), (283, 1738317), (413, 1191147), (427, 1152093), (483, 1018517), (849, 579439), (1239, 397049), (1281, 384031), (1357, 362523), (1403, 350637), (1981, 248331), (3599, 136689), (4071, 120841), (4209, 116879), (5943, 82777), (6509, 75579), (9499, 51789), (9821, 50091), (10797, 45563), (16697, 29463), (17263, 28497), (19527, 25193)]