490400495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 647110464

約数和(自身を除く): 156709969

約数列:

[1, 5, 13, 65, 73, 181, 365, 571, 905, 949, 2353, 2855, 4745, 7423, 11765, 13213, 37115, 41683, 66065, 103351, 171769, 208415, 516755, 541879, 858845, 1343563, 2709395, 6717815, 7544623, 37723115, 98080099, 490400495]

約数ペア:

[(1, 490400495), (5, 98080099), (13, 37723115), (65, 7544623), (73, 6717815), (181, 2709395), (365, 1343563), (571, 858845), (905, 541879), (949, 516755), (2353, 208415), (2855, 171769), (4745, 103351), (7423, 66065), (11765, 41683), (13213, 37115)]