247915528

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2818

約数の個数: 64

約数和(自身を含む): 562360320

約数和(自身を除く): 314444792

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 71, 92, 142, 161, 184, 284, 322, 497, 568, 644, 994, 1288, 1633, 1988, 2711, 3266, 3976, 5422, 6532, 10844, 11431, 13064, 18977, 21688, 22862, 37954, 45724, 62353, 75908, 91448, 124706, 151816, 192481, 249412, 384962, 436471, 498824, 769924, 872942, 1347367, 1539848, 1745884, 2694734, 3491768, 4427063, 5389468, 8854126, 10778936, 17708252, 30989441, 35416504, 61978882, 123957764, 247915528]

約数ペア:

[(1, 247915528), (2, 123957764), (4, 61978882), (7, 35416504), (8, 30989441), (14, 17708252), (23, 10778936), (28, 8854126), (46, 5389468), (56, 4427063), (71, 3491768), (92, 2694734), (142, 1745884), (161, 1539848), (184, 1347367), (284, 872942), (322, 769924), (497, 498824), (568, 436471), (644, 384962), (994, 249412), (1288, 192481), (1633, 151816), (1988, 124706), (2711, 91448), (3266, 75908), (3976, 62353), (5422, 45724), (6532, 37954), (10844, 22862), (11431, 21688), (13064, 18977)]