211557894

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 475061760

約数和(自身を除く): 263503866

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 173, 323, 346, 519, 631, 646, 969, 1038, 1262, 1893, 1938, 2941, 3287, 3786, 5882, 6574, 8823, 9861, 10727, 11989, 17646, 19722, 21454, 23978, 32181, 35967, 55879, 64362, 71934, 109163, 111758, 167637, 203813, 218326, 327489, 335274, 407626, 611439, 654978, 1222878, 1855771, 2074097, 3711542, 4148194, 5567313, 6222291, 11134626, 12444582, 35259649, 70519298, 105778947, 211557894]

約数ペア:

[(1, 211557894), (2, 105778947), (3, 70519298), (6, 35259649), (17, 12444582), (19, 11134626), (34, 6222291), (38, 5567313), (51, 4148194), (57, 3711542), (102, 2074097), (114, 1855771), (173, 1222878), (323, 654978), (346, 611439), (519, 407626), (631, 335274), (646, 327489), (969, 218326), (1038, 203813), (1262, 167637), (1893, 111758), (1938, 109163), (2941, 71934), (3287, 64362), (3786, 55879), (5882, 35967), (6574, 32181), (8823, 23978), (9861, 21454), (10727, 19722), (11989, 17646)]