286261105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 406973952

約数和(自身を除く): 120712847

約数列:

[1, 5, 13, 23, 43, 61, 65, 73, 115, 215, 299, 305, 365, 559, 793, 949, 989, 1403, 1495, 1679, 2623, 2795, 3139, 3965, 4453, 4745, 4945, 7015, 8395, 12857, 13115, 15695, 18239, 21827, 22265, 34099, 40807, 57889, 60329, 64285, 72197, 91195, 102419, 109135, 170495, 191479, 204035, 289445, 301645, 360985, 512095, 784277, 938561, 957395, 1331447, 2489227, 3921385, 4404017, 4692805, 6657235, 12446135, 22020085, 57252221, 286261105]

約数ペア:

[(1, 286261105), (5, 57252221), (13, 22020085), (23, 12446135), (43, 6657235), (61, 4692805), (65, 4404017), (73, 3921385), (115, 2489227), (215, 1331447), (299, 957395), (305, 938561), (365, 784277), (559, 512095), (793, 360985), (949, 301645), (989, 289445), (1403, 204035), (1495, 191479), (1679, 170495), (2623, 109135), (2795, 102419), (3139, 91195), (3965, 72197), (4453, 64285), (4745, 60329), (4945, 57889), (7015, 40807), (8395, 34099), (12857, 22265), (13115, 21827), (15695, 18239)]