256418682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{11699}}^1$

素因数の和:11998

約数の個数: 32

約数和(自身を含む): 554299200

約数和(自身を除く): 297880518

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281, 562, 843, 1686, 3653, 7306, 10959, 11699, 21918, 23398, 35097, 70194, 152087, 304174, 456261, 912522, 3287419, 6574838, 9862257, 19724514, 42736447, 85472894, 128209341, 256418682]

約数ペア:

[(1, 256418682), (2, 128209341), (3, 85472894), (6, 42736447), (13, 19724514), (26, 9862257), (39, 6574838), (78, 3287419), (281, 912522), (562, 456261), (843, 304174), (1686, 152087), (3653, 70194), (7306, 35097), (10959, 23398), (11699, 21918)]