81389014

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 143067456

約数和(自身を除く): 61678442

約数列:

[1, 2, 7, 14, 73, 97, 146, 194, 511, 679, 821, 1022, 1358, 1642, 5747, 7081, 11494, 14162, 49567, 59933, 79637, 99134, 119866, 159274, 419531, 557459, 839062, 1114918, 5813501, 11627002, 40694507, 81389014]

約数ペア:

[(1, 81389014), (2, 40694507), (7, 11627002), (14, 5813501), (73, 1114918), (97, 839062), (146, 557459), (194, 419531), (511, 159274), (679, 119866), (821, 99134), (1022, 79637), (1358, 59933), (1642, 49567), (5747, 14162), (7081, 11494)]