207860818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{907}}^1\times {\mathrm{947}}^1$

素因数の和:1878

約数の個数: 24

約数和(自身を含む): 343452816

約数和(自身を除く): 135591998

約数列:

[1, 2, 11, 22, 121, 242, 907, 947, 1814, 1894, 9977, 10417, 19954, 20834, 109747, 114587, 219494, 229174, 858929, 1717858, 9448219, 18896438, 103930409, 207860818]

約数ペア:

[(1, 207860818), (2, 103930409), (11, 18896438), (22, 9448219), (121, 1717858), (242, 858929), (907, 229174), (947, 219494), (1814, 114587), (1894, 109747), (9977, 20834), (10417, 19954)]