257432364

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{340519}}^1$

素因数の和:340539

約数の個数: 48

約数和(自身を含む): 762764800

約数和(自身を除く): 505332436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 340519, 681038, 1021557, 1362076, 2043114, 2383633, 3064671, 4086228, 4767266, 6129342, 7150899, 9194013, 9534532, 12258684, 14301798, 18388026, 21452697, 28603596, 36776052, 42905394, 64358091, 85810788, 128716182, 257432364]

約数ペア:

[(1, 257432364), (2, 128716182), (3, 85810788), (4, 64358091), (6, 42905394), (7, 36776052), (9, 28603596), (12, 21452697), (14, 18388026), (18, 14301798), (21, 12258684), (27, 9534532), (28, 9194013), (36, 7150899), (42, 6129342), (54, 4767266), (63, 4086228), (84, 3064671), (108, 2383633), (126, 2043114), (189, 1362076), (252, 1021557), (378, 681038), (756, 340519)]