81379116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24841}}^1$

素因数の和:24871

約数の個数: 72

約数和(自身を含む): 253189664

約数和(自身を除く): 171810548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 24841, 49682, 74523, 99364, 149046, 173887, 223569, 298092, 322933, 347774, 447138, 521661, 645866, 695548, 894276, 968799, 1043322, 1291732, 1564983, 1937598, 2086644, 2260531, 2906397, 3129966, 3875196, 4521062, 5812794, 6259932, 6781593, 9042124, 11625588, 13563186, 20344779, 27126372, 40689558, 81379116]

約数ペア:

[(1, 81379116), (2, 40689558), (3, 27126372), (4, 20344779), (6, 13563186), (7, 11625588), (9, 9042124), (12, 6781593), (13, 6259932), (14, 5812794), (18, 4521062), (21, 3875196), (26, 3129966), (28, 2906397), (36, 2260531), (39, 2086644), (42, 1937598), (52, 1564983), (63, 1291732), (78, 1043322), (84, 968799), (91, 894276), (117, 695548), (126, 645866), (156, 521661), (182, 447138), (234, 347774), (252, 322933), (273, 298092), (364, 223569), (468, 173887), (546, 149046), (819, 99364), (1092, 74523), (1638, 49682), (3276, 24841)]