12717800452

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{2963}}^1$

素因数の和:3401

約数の個数: 72

約数和(自身を含む): 26396435520

約数和(自身を除く): 13678635068

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 359, 427, 718, 854, 1436, 1708, 2513, 2963, 2989, 5026, 5926, 5978, 10052, 11852, 11956, 17591, 20741, 21899, 35182, 41482, 43798, 70364, 82964, 87596, 145187, 153293, 180743, 290374, 306586, 361486, 580748, 613172, 722972, 1063717, 1073051, 1265201, 2127434, 2146102, 2530402, 4254868, 4292204, 5060804, 7446019, 8856407, 14892038, 17712814, 29784076, 35425628, 52122133, 64886737, 104244266, 129773474, 208488532, 259546948, 454207159, 908414318, 1816828636, 3179450113, 6358900226, 12717800452]

約数ペア:

[(1, 12717800452), (2, 6358900226), (4, 3179450113), (7, 1816828636), (14, 908414318), (28, 454207159), (49, 259546948), (61, 208488532), (98, 129773474), (122, 104244266), (196, 64886737), (244, 52122133), (359, 35425628), (427, 29784076), (718, 17712814), (854, 14892038), (1436, 8856407), (1708, 7446019), (2513, 5060804), (2963, 4292204), (2989, 4254868), (5026, 2530402), (5926, 2146102), (5978, 2127434), (10052, 1265201), (11852, 1073051), (11956, 1063717), (17591, 722972), (20741, 613172), (21899, 580748), (35182, 361486), (41482, 306586), (43798, 290374), (70364, 180743), (82964, 153293), (87596, 145187)]