277878382

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 451399680

約数和(自身を除く): 173521298

約数列:

[1, 2, 19, 38, 47, 94, 157, 314, 893, 991, 1786, 1982, 2983, 5966, 7379, 14758, 18829, 37658, 46577, 93154, 140201, 155587, 280402, 311174, 884963, 1769926, 2956153, 5912306, 7312589, 14625178, 138939191, 277878382]

約数ペア:

[(1, 277878382), (2, 138939191), (19, 14625178), (38, 7312589), (47, 5912306), (94, 2956153), (157, 1769926), (314, 884963), (893, 311174), (991, 280402), (1786, 155587), (1982, 140201), (2983, 93154), (5966, 46577), (7379, 37658), (14758, 18829)]