248775485

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2953}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 357315840

約数和(自身を除く): 108540355

約数列:

[1, 5, 7, 29, 35, 83, 145, 203, 415, 581, 1015, 2407, 2905, 2953, 12035, 14765, 16849, 20671, 84245, 85637, 103355, 245099, 428185, 599459, 1225495, 1715693, 2997295, 7107871, 8578465, 35539355, 49755097, 248775485]

約数ペア:

[(1, 248775485), (5, 49755097), (7, 35539355), (29, 8578465), (35, 7107871), (83, 2997295), (145, 1715693), (203, 1225495), (415, 599459), (581, 428185), (1015, 245099), (2407, 103355), (2905, 85637), (2953, 84245), (12035, 20671), (14765, 16849)]