27861890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{8123}}^1$

素因数の和:8151

約数の個数: 32

約数和(自身を含む): 58492800

約数和(自身を除く): 30630910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 8123, 16246, 40615, 56861, 81230, 113722, 284305, 398027, 568610, 796054, 1990135, 2786189, 3980270, 5572378, 13930945, 27861890]

約数ペア:

[(1, 27861890), (2, 13930945), (5, 5572378), (7, 3980270), (10, 2786189), (14, 1990135), (35, 796054), (49, 568610), (70, 398027), (98, 284305), (245, 113722), (343, 81230), (490, 56861), (686, 40615), (1715, 16246), (3430, 8123)]