28305408005

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{50707}}^1$

素因数の和:51149

約数の個数: 32

約数和(自身を含む): 39868657920

約数和(自身を除く): 11563249915

約数列:

[1, 5, 7, 35, 41, 205, 287, 389, 1435, 1945, 2723, 13615, 15949, 50707, 79745, 111643, 253535, 354949, 558215, 1774745, 2078987, 10394935, 14552909, 19725023, 72764545, 98625115, 138075161, 690375805, 808725943, 4043629715, 5661081601, 28305408005]

約数ペア:

[(1, 28305408005), (5, 5661081601), (7, 4043629715), (35, 808725943), (41, 690375805), (205, 138075161), (287, 98625115), (389, 72764545), (1435, 19725023), (1945, 14552909), (2723, 10394935), (13615, 2078987), (15949, 1774745), (50707, 558215), (79745, 354949), (111643, 253535)]