31465890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1117}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 82146168

約数和(自身を除く): 50680278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 626, 939, 1117, 1565, 1878, 2234, 2817, 3130, 3351, 4695, 5585, 5634, 6702, 9390, 10053, 11170, 14085, 16755, 20106, 28170, 33510, 50265, 100530, 349621, 699242, 1048863, 1748105, 2097726, 3146589, 3496210, 5244315, 6293178, 10488630, 15732945, 31465890]

約数ペア:

[(1, 31465890), (2, 15732945), (3, 10488630), (5, 6293178), (6, 5244315), (9, 3496210), (10, 3146589), (15, 2097726), (18, 1748105), (30, 1048863), (45, 699242), (90, 349621), (313, 100530), (626, 50265), (939, 33510), (1117, 28170), (1565, 20106), (1878, 16755), (2234, 14085), (2817, 11170), (3130, 10053), (3351, 9390), (4695, 6702), (5585, 5634)]