1780212122

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1\times {\mathrm{641}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 2899169280

約数和(自身を除く): 1118957158

約数列:

[1, 2, 13, 26, 223, 446, 479, 641, 958, 1282, 2899, 5798, 6227, 8333, 12454, 16666, 106817, 142943, 213634, 285886, 307039, 614078, 1388621, 1858259, 2777242, 3716518, 3991507, 7983014, 68469697, 136939394, 890106061, 1780212122]

約数ペア:

[(1, 1780212122), (2, 890106061), (13, 136939394), (26, 68469697), (223, 7983014), (446, 3991507), (479, 3716518), (641, 2777242), (958, 1858259), (1282, 1388621), (2899, 614078), (5798, 307039), (6227, 285886), (8333, 213634), (12454, 142943), (16666, 106817)]