77990476

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2621}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 140518224

約数和(自身を除く): 62527748

約数列:

[1, 2, 4, 43, 86, 172, 173, 346, 692, 2621, 5242, 7439, 10484, 14878, 29756, 112703, 225406, 450812, 453433, 906866, 1813732, 19497619, 38995238, 77990476]

約数ペア:

[(1, 77990476), (2, 38995238), (4, 19497619), (43, 1813732), (86, 906866), (172, 453433), (173, 450812), (346, 225406), (692, 112703), (2621, 29756), (5242, 14878), (7439, 10484)]