16924915

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 25251840

約数和(自身を除く): 8326925

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 821, 1085, 2945, 4105, 4123, 5747, 15599, 20615, 25451, 28735, 77995, 109193, 127255, 178157, 483569, 545965, 890785, 2417845, 3384983, 16924915]

約数ペア:

[(1, 16924915), (5, 3384983), (7, 2417845), (19, 890785), (31, 545965), (35, 483569), (95, 178157), (133, 127255), (155, 109193), (217, 77995), (589, 28735), (665, 25451), (821, 20615), (1085, 15599), (2945, 5747), (4105, 4123)]