128846354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 251983872

約数和(自身を除く): 123137518

約数列:

[1, 2, 7, 13, 14, 26, 31, 41, 62, 82, 91, 182, 217, 287, 403, 434, 533, 557, 574, 806, 1066, 1114, 1271, 2542, 2821, 3731, 3899, 5642, 7241, 7462, 7798, 8897, 14482, 16523, 17267, 17794, 22837, 33046, 34534, 45674, 50687, 101374, 115661, 120869, 159859, 224471, 231322, 241738, 296881, 319718, 448942, 593762, 707947, 1415894, 1571297, 2078167, 3142594, 4156334, 4955629, 9203311, 9911258, 18406622, 64423177, 128846354]

約数ペア:

[(1, 128846354), (2, 64423177), (7, 18406622), (13, 9911258), (14, 9203311), (26, 4955629), (31, 4156334), (41, 3142594), (62, 2078167), (82, 1571297), (91, 1415894), (182, 707947), (217, 593762), (287, 448942), (403, 319718), (434, 296881), (533, 241738), (557, 231322), (574, 224471), (806, 159859), (1066, 120869), (1114, 115661), (1271, 101374), (2542, 50687), (2821, 45674), (3731, 34534), (3899, 33046), (5642, 22837), (7241, 17794), (7462, 17267), (7798, 16523), (8897, 14482)]