647857896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11939}}^1$

素因数の和:11991

約数の個数: 128

約数和(自身を含む): 2063232000

約数和(自身を除く): 1415374104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 51, 56, 57, 68, 76, 84, 102, 114, 119, 133, 136, 152, 168, 204, 228, 238, 266, 323, 357, 399, 408, 456, 476, 532, 646, 714, 798, 952, 969, 1064, 1292, 1428, 1596, 1938, 2261, 2584, 2856, 3192, 3876, 4522, 6783, 7752, 9044, 11939, 13566, 18088, 23878, 27132, 35817, 47756, 54264, 71634, 83573, 95512, 143268, 167146, 202963, 226841, 250719, 286536, 334292, 405926, 453682, 501438, 608889, 668584, 680523, 811852, 907364, 1002876, 1217778, 1361046, 1420741, 1587887, 1623704, 1814728, 2005752, 2435556, 2722092, 2841482, 3175774, 3856297, 4262223, 4763661, 4871112, 5444184, 5682964, 6351548, 7712594, 8524446, 9527322, 11365928, 11568891, 12703096, 15425188, 17048892, 19054644, 23137782, 26994079, 30850376, 34097784, 38109288, 46275564, 53988158, 80982237, 92551128, 107976316, 161964474, 215952632, 323928948, 647857896]

約数ペア:

[(1, 647857896), (2, 323928948), (3, 215952632), (4, 161964474), (6, 107976316), (7, 92551128), (8, 80982237), (12, 53988158), (14, 46275564), (17, 38109288), (19, 34097784), (21, 30850376), (24, 26994079), (28, 23137782), (34, 19054644), (38, 17048892), (42, 15425188), (51, 12703096), (56, 11568891), (57, 11365928), (68, 9527322), (76, 8524446), (84, 7712594), (102, 6351548), (114, 5682964), (119, 5444184), (133, 4871112), (136, 4763661), (152, 4262223), (168, 3856297), (204, 3175774), (228, 2841482), (238, 2722092), (266, 2435556), (323, 2005752), (357, 1814728), (399, 1623704), (408, 1587887), (456, 1420741), (476, 1361046), (532, 1217778), (646, 1002876), (714, 907364), (798, 811852), (952, 680523), (969, 668584), (1064, 608889), (1292, 501438), (1428, 453682), (1596, 405926), (1938, 334292), (2261, 286536), (2584, 250719), (2856, 226841), (3192, 202963), (3876, 167146), (4522, 143268), (6783, 95512), (7752, 83573), (9044, 71634), (11939, 54264), (13566, 47756), (18088, 35817), (23878, 27132)]