313998047

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 381265920

約数和(自身を除く): 67267873

約数列:

[1, 11, 19, 23, 83, 209, 253, 437, 787, 913, 1577, 1909, 4807, 8657, 14953, 17347, 18101, 20999, 36271, 65321, 164483, 199111, 343919, 398981, 718531, 1241099, 1502383, 3783109, 13652089, 16526213, 28545277, 313998047]

約数ペア:

[(1, 313998047), (11, 28545277), (19, 16526213), (23, 13652089), (83, 3783109), (209, 1502383), (253, 1241099), (437, 718531), (787, 398981), (913, 343919), (1577, 199111), (1909, 164483), (4807, 65321), (8657, 36271), (14953, 20999), (17347, 18101)]