1388390969

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{653}}^1\times {\mathrm{1051}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 1689747648

約数和(自身を除く): 301356679

約数列:

[1, 7, 17, 119, 289, 653, 1051, 2023, 4571, 7357, 11101, 17867, 77707, 125069, 188717, 303739, 686303, 1321019, 2126173, 4804121, 11667151, 81670057, 198341567, 1388390969]

約数ペア:

[(1, 1388390969), (7, 198341567), (17, 81670057), (119, 11667151), (289, 4804121), (653, 2126173), (1051, 1321019), (2023, 686303), (4571, 303739), (7357, 188717), (11101, 125069), (17867, 77707)]