81917808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1201}}^1$

素因数の和:1255

約数の個数: 120

約数和(自身を含む): 254872080

約数和(自身を除く): 172954272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 49, 56, 58, 84, 87, 98, 112, 116, 147, 168, 174, 196, 203, 232, 294, 336, 348, 392, 406, 464, 588, 609, 696, 784, 812, 1176, 1201, 1218, 1392, 1421, 1624, 2352, 2402, 2436, 2842, 3248, 3603, 4263, 4804, 4872, 5684, 7206, 8407, 8526, 9608, 9744, 11368, 14412, 16814, 17052, 19216, 22736, 25221, 28824, 33628, 34104, 34829, 50442, 57648, 58849, 67256, 68208, 69658, 100884, 104487, 117698, 134512, 139316, 176547, 201768, 208974, 235396, 243803, 278632, 353094, 403536, 417948, 470792, 487606, 557264, 706188, 731409, 835896, 941584, 975212, 1412376, 1462818, 1671792, 1706621, 1950424, 2824752, 2925636, 3413242, 3900848, 5119863, 5851272, 6826484, 10239726, 11702544, 13652968, 20479452, 27305936, 40958904, 81917808]

約数ペア:

[(1, 81917808), (2, 40958904), (3, 27305936), (4, 20479452), (6, 13652968), (7, 11702544), (8, 10239726), (12, 6826484), (14, 5851272), (16, 5119863), (21, 3900848), (24, 3413242), (28, 2925636), (29, 2824752), (42, 1950424), (48, 1706621), (49, 1671792), (56, 1462818), (58, 1412376), (84, 975212), (87, 941584), (98, 835896), (112, 731409), (116, 706188), (147, 557264), (168, 487606), (174, 470792), (196, 417948), (203, 403536), (232, 353094), (294, 278632), (336, 243803), (348, 235396), (392, 208974), (406, 201768), (464, 176547), (588, 139316), (609, 134512), (696, 117698), (784, 104487), (812, 100884), (1176, 69658), (1201, 68208), (1218, 67256), (1392, 58849), (1421, 57648), (1624, 50442), (2352, 34829), (2402, 34104), (2436, 33628), (2842, 28824), (3248, 25221), (3603, 22736), (4263, 19216), (4804, 17052), (4872, 16814), (5684, 14412), (7206, 11368), (8407, 9744), (8526, 9608)]