281661968

素因数分解:

$2^4\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{1951}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 624483840

約数和(自身を除く): 342821872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1289, 1951, 2578, 3902, 5156, 7804, 9023, 10312, 13657, 15608, 18046, 20624, 27314, 31216, 36092, 54628, 72184, 109256, 144368, 218512, 2514839, 5029678, 10059356, 17603873, 20118712, 35207746, 40237424, 70415492, 140830984, 281661968]

約数ペア:

[(1, 281661968), (2, 140830984), (4, 70415492), (7, 40237424), (8, 35207746), (14, 20118712), (16, 17603873), (28, 10059356), (56, 5029678), (112, 2514839), (1289, 218512), (1951, 144368), (2578, 109256), (3902, 72184), (5156, 54628), (7804, 36092), (9023, 31216), (10312, 27314), (13657, 20624), (15608, 18046)]