1235539921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1999}}^1$

素因数の和:2389

約数の個数: 32

約数和(自身を含む): 1612800000

約数和(自身を除く): 377260079

約数列:

[1, 7, 11, 23, 77, 161, 253, 349, 1771, 1999, 2443, 3839, 8027, 13993, 21989, 26873, 45977, 56189, 88297, 153923, 321839, 505747, 618079, 697651, 3540229, 4883557, 7674161, 16045973, 53719127, 112321811, 176505703, 1235539921]

約数ペア:

[(1, 1235539921), (7, 176505703), (11, 112321811), (23, 53719127), (77, 16045973), (161, 7674161), (253, 4883557), (349, 3540229), (1771, 697651), (1999, 618079), (2443, 505747), (3839, 321839), (8027, 153923), (13993, 88297), (21989, 56189), (26873, 45977)]