16998905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 8851975

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 335, 385, 469, 659, 737, 2345, 3295, 3685, 4613, 5159, 7249, 23065, 25795, 36245, 44153, 50743, 220765, 253715, 309071, 485683, 1545355, 2428415, 3399781, 16998905]

約数ペア:

[(1, 16998905), (5, 3399781), (7, 2428415), (11, 1545355), (35, 485683), (55, 309071), (67, 253715), (77, 220765), (335, 50743), (385, 44153), (469, 36245), (659, 25795), (737, 23065), (2345, 7249), (3295, 5159), (3685, 4613)]