9991030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2760

約数の個数: 32

約数和(自身を含む): 20948544

約数和(自身を除く): 10957514

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 2693, 3710, 5386, 13465, 18851, 26930, 37702, 94255, 142729, 188510, 285458, 713645, 999103, 1427290, 1998206, 4995515, 9991030]

約数ペア:

[(1, 9991030), (2, 4995515), (5, 1998206), (7, 1427290), (10, 999103), (14, 713645), (35, 285458), (53, 188510), (70, 142729), (106, 94255), (265, 37702), (371, 26930), (530, 18851), (742, 13465), (1855, 5386), (2693, 3710)]