81482336

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 185925600

約数和(自身を除く): 104443264

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 61, 76, 104, 122, 152, 169, 208, 244, 247, 304, 338, 416, 488, 494, 608, 676, 793, 976, 988, 1159, 1352, 1586, 1952, 1976, 2197, 2318, 2704, 3172, 3211, 3952, 4394, 4636, 5408, 6344, 6422, 7904, 8788, 9272, 10309, 12688, 12844, 15067, 17576, 18544, 20618, 25376, 25688, 30134, 35152, 37088, 41236, 41743, 51376, 60268, 70304, 82472, 83486, 102752, 120536, 134017, 164944, 166972, 195871, 241072, 268034, 329888, 333944, 391742, 482144, 536068, 667888, 783484, 1072136, 1335776, 1566968, 2144272, 2546323, 3133936, 4288544, 5092646, 6267872, 10185292, 20370584, 40741168, 81482336]

約数ペア:

[(1, 81482336), (2, 40741168), (4, 20370584), (8, 10185292), (13, 6267872), (16, 5092646), (19, 4288544), (26, 3133936), (32, 2546323), (38, 2144272), (52, 1566968), (61, 1335776), (76, 1072136), (104, 783484), (122, 667888), (152, 536068), (169, 482144), (208, 391742), (244, 333944), (247, 329888), (304, 268034), (338, 241072), (416, 195871), (488, 166972), (494, 164944), (608, 134017), (676, 120536), (793, 102752), (976, 83486), (988, 82472), (1159, 70304), (1352, 60268), (1586, 51376), (1952, 41743), (1976, 41236), (2197, 37088), (2318, 35152), (2704, 30134), (3172, 25688), (3211, 25376), (3952, 20618), (4394, 18544), (4636, 17576), (5408, 15067), (6344, 12844), (6422, 12688), (7904, 10309), (8788, 9272)]