28958565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 24263835

約数列:

[1, 3, 5, 15, 17, 19, 43, 51, 57, 85, 95, 129, 139, 215, 255, 285, 323, 417, 645, 695, 731, 817, 969, 1615, 2085, 2193, 2363, 2451, 2641, 3655, 4085, 4845, 5977, 7089, 7923, 10965, 11815, 12255, 13205, 13889, 17931, 29885, 35445, 39615, 41667, 44897, 69445, 89655, 101609, 113563, 134691, 208335, 224485, 304827, 340689, 508045, 567815, 673455, 1524135, 1703445, 1930571, 5791713, 9652855, 28958565]

約数ペア:

[(1, 28958565), (3, 9652855), (5, 5791713), (15, 1930571), (17, 1703445), (19, 1524135), (43, 673455), (51, 567815), (57, 508045), (85, 340689), (95, 304827), (129, 224485), (139, 208335), (215, 134691), (255, 113563), (285, 101609), (323, 89655), (417, 69445), (645, 44897), (695, 41667), (731, 39615), (817, 35445), (969, 29885), (1615, 17931), (2085, 13889), (2193, 13205), (2363, 12255), (2451, 11815), (2641, 10965), (3655, 7923), (4085, 7089), (4845, 5977)]