218943452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19403}}^1$

素因数の和:19458

約数の個数: 48

約数和(自身を含む): 486807552

約数和(自身を除く): 267864100

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 19403, 38806, 77612, 135821, 252239, 271642, 504478, 543284, 601493, 1008956, 1202986, 1765673, 2405972, 3531346, 4210451, 7062692, 7819409, 8420902, 15638818, 16841804, 31277636, 54735863, 109471726, 218943452]

約数ペア:

[(1, 218943452), (2, 109471726), (4, 54735863), (7, 31277636), (13, 16841804), (14, 15638818), (26, 8420902), (28, 7819409), (31, 7062692), (52, 4210451), (62, 3531346), (91, 2405972), (124, 1765673), (182, 1202986), (217, 1008956), (364, 601493), (403, 543284), (434, 504478), (806, 271642), (868, 252239), (1612, 135821), (2821, 77612), (5642, 38806), (11284, 19403)]