28000000488

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{2551}}^1\times {\mathrm{8629}}^1$

素因数の和:11242

約数の個数: 64

約数和(自身を含む): 71356982400

約数和(自身を除く): 43356981912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 2551, 5102, 7653, 8629, 10204, 15306, 17258, 20408, 25887, 30612, 34516, 51774, 61224, 69032, 103548, 135203, 207096, 270406, 405609, 457337, 540812, 811218, 914674, 1081624, 1372011, 1622436, 1829348, 2744022, 3244872, 3658696, 5488044, 10976088, 22012579, 44025158, 66037737, 88050316, 132075474, 176100632, 264150948, 528301896, 1166666687, 2333333374, 3500000061, 4666666748, 7000000122, 9333333496, 14000000244, 28000000488]

約数ペア:

[(1, 28000000488), (2, 14000000244), (3, 9333333496), (4, 7000000122), (6, 4666666748), (8, 3500000061), (12, 2333333374), (24, 1166666687), (53, 528301896), (106, 264150948), (159, 176100632), (212, 132075474), (318, 88050316), (424, 66037737), (636, 44025158), (1272, 22012579), (2551, 10976088), (5102, 5488044), (7653, 3658696), (8629, 3244872), (10204, 2744022), (15306, 1829348), (17258, 1622436), (20408, 1372011), (25887, 1081624), (30612, 914674), (34516, 811218), (51774, 540812), (61224, 457337), (69032, 405609), (103548, 270406), (135203, 207096)]