31819928

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 39097192

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 71, 106, 142, 151, 212, 284, 302, 371, 424, 497, 568, 604, 742, 994, 1057, 1208, 1484, 1988, 2114, 2968, 3763, 3976, 4228, 7526, 8003, 8456, 10721, 15052, 16006, 21442, 26341, 30104, 32012, 42884, 52682, 56021, 64024, 75047, 85768, 105364, 112042, 150094, 210728, 224084, 300188, 448168, 568213, 600376, 1136426, 2272852, 3977491, 4545704, 7954982, 15909964, 31819928]

約数ペア:

[(1, 31819928), (2, 15909964), (4, 7954982), (7, 4545704), (8, 3977491), (14, 2272852), (28, 1136426), (53, 600376), (56, 568213), (71, 448168), (106, 300188), (142, 224084), (151, 210728), (212, 150094), (284, 112042), (302, 105364), (371, 85768), (424, 75047), (497, 64024), (568, 56021), (604, 52682), (742, 42884), (994, 32012), (1057, 30104), (1208, 26341), (1484, 21442), (1988, 16006), (2114, 15052), (2968, 10721), (3763, 8456), (3976, 8003), (4228, 7526)]