7947131728

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 16680692040

約数和(自身を除く): 8733560312

約数列:

[1, 2, 4, 8, 16, 31, 37, 61, 62, 74, 122, 124, 148, 229, 244, 248, 296, 458, 488, 496, 592, 916, 961, 976, 1147, 1832, 1891, 1922, 2257, 2294, 3664, 3782, 3844, 4514, 4588, 7099, 7564, 7688, 8473, 9028, 9176, 13969, 14198, 15128, 15376, 16946, 18056, 18352, 27938, 28396, 30256, 33892, 35557, 36112, 55876, 56792, 58621, 67784, 69967, 71114, 111752, 113584, 117242, 135568, 139934, 142228, 220069, 223504, 234484, 262663, 279868, 284456, 433039, 440138, 468968, 516853, 525326, 559736, 568912, 866078, 880276, 937936, 1033706, 1050652, 1119472, 1732156, 1760552, 2067412, 2101304, 2168977, 3464312, 3521104, 4134824, 4202608, 4337954, 6928624, 8142553, 8269648, 8675908, 13424209, 16022443, 16285106, 17351816, 26848418, 32044886, 32570212, 34703632, 53696836, 64089772, 65140424, 107393672, 128179544, 130280848, 214787344, 256359088, 496695733, 993391466, 1986782932, 3973565864, 7947131728]

約数ペア:

[(1, 7947131728), (2, 3973565864), (4, 1986782932), (8, 993391466), (16, 496695733), (31, 256359088), (37, 214787344), (61, 130280848), (62, 128179544), (74, 107393672), (122, 65140424), (124, 64089772), (148, 53696836), (229, 34703632), (244, 32570212), (248, 32044886), (296, 26848418), (458, 17351816), (488, 16285106), (496, 16022443), (592, 13424209), (916, 8675908), (961, 8269648), (976, 8142553), (1147, 6928624), (1832, 4337954), (1891, 4202608), (1922, 4134824), (2257, 3521104), (2294, 3464312), (3664, 2168977), (3782, 2101304), (3844, 2067412), (4514, 1760552), (4588, 1732156), (7099, 1119472), (7564, 1050652), (7688, 1033706), (8473, 937936), (9028, 880276), (9176, 866078), (13969, 568912), (14198, 559736), (15128, 525326), (15376, 516853), (16946, 468968), (18056, 440138), (18352, 433039), (27938, 284456), (28396, 279868), (30256, 262663), (33892, 234484), (35557, 223504), (36112, 220069), (55876, 142228), (56792, 139934), (58621, 135568), (67784, 117242), (69967, 113584), (71114, 111752)]