38640284

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 70013328

約数和(自身を除く): 31373044

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 1993, 3986, 4847, 7972, 9694, 19388, 73741, 147482, 261083, 294964, 522166, 1044332, 9660071, 19320142, 38640284]

約数ペア:

[(1, 38640284), (2, 19320142), (4, 9660071), (37, 1044332), (74, 522166), (131, 294964), (148, 261083), (262, 147482), (524, 73741), (1993, 19388), (3986, 9694), (4847, 7972)]