64821521

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 73664064

約数和(自身を除く): 8842543

約数列:

[1, 19, 23, 37, 211, 361, 437, 703, 851, 4009, 4853, 7807, 8303, 13357, 16169, 76171, 92207, 148333, 179561, 307211, 1751933, 2818327, 3411659, 64821521]

約数ペア:

[(1, 64821521), (19, 3411659), (23, 2818327), (37, 1751933), (211, 307211), (361, 179561), (437, 148333), (703, 92207), (851, 76171), (4009, 16169), (4853, 13357), (7807, 8303)]