31678972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2549}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 59976000

約数和(自身を除く): 28297028

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 2549, 3107, 5098, 6214, 10196, 12428, 33137, 66274, 132548, 609211, 1218422, 2436844, 7919743, 15839486, 31678972]

約数ペア:

[(1, 31678972), (2, 15839486), (4, 7919743), (13, 2436844), (26, 1218422), (52, 609211), (239, 132548), (478, 66274), (956, 33137), (2549, 12428), (3107, 10196), (5098, 6214)]