1640803578

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1\times {\mathrm{14447}}^1$

素因数の和:15298

約数の個数: 32

約数和(自身を含む): 3428683776

約数和(自身を除く): 1787880198

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 823, 1646, 2469, 4938, 14447, 18929, 28894, 37858, 43341, 56787, 86682, 113574, 332281, 664562, 996843, 1993686, 11889881, 23779762, 35669643, 71339286, 273467263, 546934526, 820401789, 1640803578]

約数ペア:

[(1, 1640803578), (2, 820401789), (3, 546934526), (6, 273467263), (23, 71339286), (46, 35669643), (69, 23779762), (138, 11889881), (823, 1993686), (1646, 996843), (2469, 664562), (4938, 332281), (14447, 113574), (18929, 86682), (28894, 56787), (37858, 43341)]