31315268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 57865920

約数和(自身を除く): 26550652

約数列:

[1, 2, 4, 19, 38, 76, 631, 653, 1262, 1306, 2524, 2612, 11989, 12407, 23978, 24814, 47956, 49628, 412043, 824086, 1648172, 7828817, 15657634, 31315268]

約数ペア:

[(1, 31315268), (2, 15657634), (4, 7828817), (19, 1648172), (38, 824086), (76, 412043), (631, 49628), (653, 47956), (1262, 24814), (1306, 23978), (2524, 12407), (2612, 11989)]