28142565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 24941595

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 79, 85, 127, 165, 187, 237, 255, 381, 395, 561, 635, 869, 935, 1185, 1343, 1397, 1905, 2159, 2607, 2805, 4029, 4191, 4345, 6477, 6715, 6985, 10033, 10795, 13035, 14773, 20145, 20955, 23749, 30099, 32385, 44319, 50165, 71247, 73865, 110363, 118745, 150495, 170561, 221595, 331089, 356235, 511683, 551815, 852805, 1655445, 1876171, 2558415, 5628513, 9380855, 28142565]

約数ペア:

[(1, 28142565), (3, 9380855), (5, 5628513), (11, 2558415), (15, 1876171), (17, 1655445), (33, 852805), (51, 551815), (55, 511683), (79, 356235), (85, 331089), (127, 221595), (165, 170561), (187, 150495), (237, 118745), (255, 110363), (381, 73865), (395, 71247), (561, 50165), (635, 44319), (869, 32385), (935, 30099), (1185, 23749), (1343, 20955), (1397, 20145), (1905, 14773), (2159, 13035), (2607, 10795), (2805, 10033), (4029, 6985), (4191, 6715), (4345, 6477)]