177653268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19979}}^1$

素因数の和:20021

約数の個数: 72

約数和(自身を含む): 509090400

約数和(自身を除く): 331437132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 19979, 39958, 59937, 79916, 119874, 179811, 239748, 259727, 359622, 379601, 519454, 719244, 759202, 779181, 1038908, 1138803, 1518404, 1558362, 2277606, 2337543, 3116724, 3416409, 4555212, 4675086, 4934813, 6832818, 9350172, 9869626, 13665636, 14804439, 19739252, 29608878, 44413317, 59217756, 88826634, 177653268]

約数ペア:

[(1, 177653268), (2, 88826634), (3, 59217756), (4, 44413317), (6, 29608878), (9, 19739252), (12, 14804439), (13, 13665636), (18, 9869626), (19, 9350172), (26, 6832818), (36, 4934813), (38, 4675086), (39, 4555212), (52, 3416409), (57, 3116724), (76, 2337543), (78, 2277606), (114, 1558362), (117, 1518404), (156, 1138803), (171, 1038908), (228, 779181), (234, 759202), (247, 719244), (342, 519454), (468, 379601), (494, 359622), (684, 259727), (741, 239748), (988, 179811), (1482, 119874), (2223, 79916), (2964, 59937), (4446, 39958), (8892, 19979)]