12863665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 17233920

約数和(自身を除く): 4370255

約数列:

[1, 5, 19, 43, 47, 67, 95, 215, 235, 335, 817, 893, 1273, 2021, 2881, 3149, 4085, 4465, 6365, 10105, 14405, 15745, 38399, 54739, 59831, 135407, 191995, 273695, 299155, 677035, 2572733, 12863665]

約数ペア:

[(1, 12863665), (5, 2572733), (19, 677035), (43, 299155), (47, 273695), (67, 191995), (95, 135407), (215, 59831), (235, 54739), (335, 38399), (817, 15745), (893, 14405), (1273, 10105), (2021, 6365), (2881, 4465), (3149, 4085)]