9978581956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{1019}}^1$

素因数の和:1361

約数の個数: 96

約数和(自身を含む): 21385728000

約数和(自身を除く): 11407146044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 233, 266, 316, 466, 532, 553, 932, 1019, 1106, 1501, 1631, 2038, 2212, 3002, 3262, 4076, 4427, 6004, 6524, 7133, 8854, 10507, 14266, 17708, 18407, 19361, 21014, 28532, 30989, 36814, 38722, 42028, 61978, 73628, 77444, 80501, 123956, 128849, 135527, 161002, 237427, 257698, 271054, 322004, 349733, 474854, 515396, 542108, 563507, 699466, 949708, 1127014, 1398932, 1529519, 1661989, 2254028, 2448131, 3059038, 3323978, 4511113, 4896262, 6118076, 6647956, 9022226, 9792524, 10706633, 18044452, 18756733, 21413266, 31577791, 37513466, 42826532, 63155582, 75026932, 126311164, 131297131, 262594262, 356377927, 525188524, 712755854, 1425511708, 2494645489, 4989290978, 9978581956]

約数ペア:

[(1, 9978581956), (2, 4989290978), (4, 2494645489), (7, 1425511708), (14, 712755854), (19, 525188524), (28, 356377927), (38, 262594262), (76, 131297131), (79, 126311164), (133, 75026932), (158, 63155582), (233, 42826532), (266, 37513466), (316, 31577791), (466, 21413266), (532, 18756733), (553, 18044452), (932, 10706633), (1019, 9792524), (1106, 9022226), (1501, 6647956), (1631, 6118076), (2038, 4896262), (2212, 4511113), (3002, 3323978), (3262, 3059038), (4076, 2448131), (4427, 2254028), (6004, 1661989), (6524, 1529519), (7133, 1398932), (8854, 1127014), (10507, 949708), (14266, 699466), (17708, 563507), (18407, 542108), (19361, 515396), (21014, 474854), (28532, 349733), (30989, 322004), (36814, 271054), (38722, 257698), (42028, 237427), (61978, 161002), (73628, 135527), (77444, 128849), (80501, 123956)]