1278811564

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{21929}}^1$

素因数の和:22233

約数の個数: 24

約数和(自身を含む): 2284228800

約数和(自身を除く): 1005417236

約数列:

[1, 2, 4, 61, 122, 239, 244, 478, 956, 14579, 21929, 29158, 43858, 58316, 87716, 1337669, 2675338, 5241031, 5350676, 10482062, 20964124, 319702891, 639405782, 1278811564]

約数ペア:

[(1, 1278811564), (2, 639405782), (4, 319702891), (61, 20964124), (122, 10482062), (239, 5350676), (244, 5241031), (478, 2675338), (956, 1337669), (14579, 87716), (21929, 58316), (29158, 43858)]