2021704139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{1889}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 2624832000

約数和(自身を除く): 603127861

約数列:

[1, 7, 13, 19, 91, 133, 247, 619, 1729, 1889, 4333, 8047, 11761, 13223, 24557, 35891, 56329, 82327, 152893, 171899, 251237, 466583, 1070251, 1169291, 3266081, 8185037, 15200783, 22216529, 106405481, 155515703, 288814877, 2021704139]

約数ペア:

[(1, 2021704139), (7, 288814877), (13, 155515703), (19, 106405481), (91, 22216529), (133, 15200783), (247, 8185037), (619, 3266081), (1729, 1169291), (1889, 1070251), (4333, 466583), (8047, 251237), (11761, 171899), (13223, 152893), (24557, 82327), (35891, 56329)]