512478

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 24

約数和(自身を含む): 1128816

約数和(自身を除く): 616338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 401, 426, 639, 802, 1203, 1278, 2406, 3609, 7218, 28471, 56942, 85413, 170826, 256239, 512478]

約数ペア:

[(1, 512478), (2, 256239), (3, 170826), (6, 85413), (9, 56942), (18, 28471), (71, 7218), (142, 3609), (213, 2406), (401, 1278), (426, 1203), (639, 802)]