242639852

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21503}}^1$

素因数の和:21558

約数の個数: 48

約数和(自身を含む): 539492352

約数和(自身を除く): 296852500

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 21503, 43006, 86012, 150521, 279539, 301042, 559078, 602084, 666593, 1118156, 1333186, 1956773, 2666372, 3913546, 4666151, 7827092, 8665709, 9332302, 17331418, 18664604, 34662836, 60659963, 121319926, 242639852]

約数ペア:

[(1, 242639852), (2, 121319926), (4, 60659963), (7, 34662836), (13, 18664604), (14, 17331418), (26, 9332302), (28, 8665709), (31, 7827092), (52, 4666151), (62, 3913546), (91, 2666372), (124, 1956773), (182, 1333186), (217, 1118156), (364, 666593), (403, 602084), (434, 559078), (806, 301042), (868, 279539), (1612, 150521), (2821, 86012), (5642, 43006), (11284, 21503)]