890494384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{51581}}^1$

素因数の和:51685

約数の個数: 40

約数和(自身を含む): 1880473392

約数和(自身を除く): 989979008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 17264, 51581, 103162, 206324, 412648, 670553, 825296, 1341106, 2682212, 4281223, 5364424, 8562446, 10728848, 17124892, 34249784, 55655899, 68499568, 111311798, 222623596, 445247192, 890494384]

約数ペア:

[(1, 890494384), (2, 445247192), (4, 222623596), (8, 111311798), (13, 68499568), (16, 55655899), (26, 34249784), (52, 17124892), (83, 10728848), (104, 8562446), (166, 5364424), (208, 4281223), (332, 2682212), (664, 1341106), (1079, 825296), (1328, 670553), (2158, 412648), (4316, 206324), (8632, 103162), (17264, 51581)]