12806456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6519

約数の個数: 32

約数和(自身を含む): 27224400

約数和(自身を除く): 14417944

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 6481, 12962, 25924, 51848, 84253, 123139, 168506, 246278, 337012, 492556, 674024, 985112, 1600807, 3201614, 6403228, 12806456]

約数ペア:

[(1, 12806456), (2, 6403228), (4, 3201614), (8, 1600807), (13, 985112), (19, 674024), (26, 492556), (38, 337012), (52, 246278), (76, 168506), (104, 123139), (152, 84253), (247, 51848), (494, 25924), (988, 12962), (1976, 6481)]