814892418

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{1559}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 1795996800

約数和(自身を除く): 981104382

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 409, 426, 639, 818, 1227, 1278, 1559, 2454, 3118, 3681, 4677, 7362, 9354, 14031, 28062, 29039, 58078, 87117, 110689, 174234, 221378, 261351, 332067, 522702, 637631, 664134, 996201, 1275262, 1912893, 1992402, 3825786, 5738679, 11477358, 45271801, 90543602, 135815403, 271630806, 407446209, 814892418]

約数ペア:

[(1, 814892418), (2, 407446209), (3, 271630806), (6, 135815403), (9, 90543602), (18, 45271801), (71, 11477358), (142, 5738679), (213, 3825786), (409, 1992402), (426, 1912893), (639, 1275262), (818, 996201), (1227, 664134), (1278, 637631), (1559, 522702), (2454, 332067), (3118, 261351), (3681, 221378), (4677, 174234), (7362, 110689), (9354, 87117), (14031, 58078), (28062, 29039)]