283885987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 372040704

約数和(自身を除く): 88154717

約数列:

[1, 7, 11, 23, 77, 157, 161, 253, 1021, 1099, 1727, 1771, 3611, 7147, 11231, 12089, 23483, 25277, 39721, 78617, 160297, 164381, 258313, 278047, 1122079, 1763267, 1808191, 3686831, 12342869, 25807817, 40555141, 283885987]

約数ペア:

[(1, 283885987), (7, 40555141), (11, 25807817), (23, 12342869), (77, 3686831), (157, 1808191), (161, 1763267), (253, 1122079), (1021, 278047), (1099, 258313), (1727, 164381), (1771, 160297), (3611, 78617), (7147, 39721), (11231, 25277), (12089, 23483)]