899889991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1301}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 1210922496

約数和(自身を除く): 311032505

約数列:

[1, 7, 11, 13, 77, 91, 143, 691, 1001, 1301, 4837, 7601, 8983, 9107, 14311, 16913, 53207, 62881, 98813, 100177, 118391, 186043, 691691, 898991, 1302301, 6292937, 9888901, 11686883, 69222307, 81808181, 128555713, 899889991]

約数ペア:

[(1, 899889991), (7, 128555713), (11, 81808181), (13, 69222307), (77, 11686883), (91, 9888901), (143, 6292937), (691, 1302301), (1001, 898991), (1301, 691691), (4837, 186043), (7601, 118391), (8983, 100177), (9107, 98813), (14311, 62881), (16913, 53207)]