28140498

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 68290560

約数和(自身を除く): 40150062

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 37, 47, 58, 62, 74, 87, 93, 94, 111, 141, 174, 186, 222, 261, 279, 282, 333, 423, 522, 558, 666, 846, 899, 1073, 1147, 1363, 1457, 1739, 1798, 2146, 2294, 2697, 2726, 2914, 3219, 3441, 3478, 4089, 4371, 5217, 5394, 6438, 6882, 8091, 8178, 8742, 9657, 10323, 10434, 12267, 13113, 15651, 16182, 19314, 20646, 24534, 26226, 31302, 33263, 42253, 50431, 53909, 66526, 84506, 99789, 100862, 107818, 126759, 151293, 161727, 199578, 253518, 299367, 302586, 323454, 380277, 453879, 485181, 598734, 760554, 907758, 970362, 1563361, 3126722, 4690083, 9380166, 14070249, 28140498]

約数ペア:

[(1, 28140498), (2, 14070249), (3, 9380166), (6, 4690083), (9, 3126722), (18, 1563361), (29, 970362), (31, 907758), (37, 760554), (47, 598734), (58, 485181), (62, 453879), (74, 380277), (87, 323454), (93, 302586), (94, 299367), (111, 253518), (141, 199578), (174, 161727), (186, 151293), (222, 126759), (261, 107818), (279, 100862), (282, 99789), (333, 84506), (423, 66526), (522, 53909), (558, 50431), (666, 42253), (846, 33263), (899, 31302), (1073, 26226), (1147, 24534), (1363, 20646), (1457, 19314), (1739, 16182), (1798, 15651), (2146, 13113), (2294, 12267), (2697, 10434), (2726, 10323), (2914, 9657), (3219, 8742), (3441, 8178), (3478, 8091), (4089, 6882), (4371, 6438), (5217, 5394)]