215931808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{809}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 449064000

約数和(自身を除く): 233132192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 439, 608, 809, 878, 1618, 1756, 3236, 3512, 6472, 7024, 8341, 12944, 14048, 15371, 16682, 25888, 30742, 33364, 61484, 66728, 122968, 133456, 245936, 266912, 355151, 491872, 710302, 1420604, 2841208, 5682416, 6747869, 11364832, 13495738, 26991476, 53982952, 107965904, 215931808]

約数ペア:

[(1, 215931808), (2, 107965904), (4, 53982952), (8, 26991476), (16, 13495738), (19, 11364832), (32, 6747869), (38, 5682416), (76, 2841208), (152, 1420604), (304, 710302), (439, 491872), (608, 355151), (809, 266912), (878, 245936), (1618, 133456), (1756, 122968), (3236, 66728), (3512, 61484), (6472, 33364), (7024, 30742), (8341, 25888), (12944, 16682), (14048, 15371)]