129212216

素因数分解:

$2^3\times 7^5\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 292061160

約数和(自身を除く): 162848944

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 343, 392, 434, 686, 868, 961, 1372, 1519, 1736, 1922, 2401, 2744, 3038, 3844, 4802, 6076, 6727, 7688, 9604, 10633, 12152, 13454, 16807, 19208, 21266, 26908, 33614, 42532, 47089, 53816, 67228, 74431, 85064, 94178, 134456, 148862, 188356, 297724, 329623, 376712, 521017, 595448, 659246, 1042034, 1318492, 2084068, 2307361, 2636984, 4168136, 4614722, 9229444, 16151527, 18458888, 32303054, 64606108, 129212216]

約数ペア:

[(1, 129212216), (2, 64606108), (4, 32303054), (7, 18458888), (8, 16151527), (14, 9229444), (28, 4614722), (31, 4168136), (49, 2636984), (56, 2307361), (62, 2084068), (98, 1318492), (124, 1042034), (196, 659246), (217, 595448), (248, 521017), (343, 376712), (392, 329623), (434, 297724), (686, 188356), (868, 148862), (961, 134456), (1372, 94178), (1519, 85064), (1736, 74431), (1922, 67228), (2401, 53816), (2744, 47089), (3038, 42532), (3844, 33614), (4802, 26908), (6076, 21266), (6727, 19208), (7688, 16807), (9604, 13454), (10633, 12152)]