215580764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{405227}}^1$

素因数の和:405257

約数の個数: 24

約数和(自身を含む): 453855360

約数和(自身を除く): 238274596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 405227, 810454, 1620908, 2836589, 5673178, 7699313, 11346356, 15398626, 30797252, 53895191, 107790382, 215580764]

約数ペア:

[(1, 215580764), (2, 107790382), (4, 53895191), (7, 30797252), (14, 15398626), (19, 11346356), (28, 7699313), (38, 5673178), (76, 2836589), (133, 1620908), (266, 810454), (532, 405227)]