258352016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 563297280

約数和(自身を除く): 304945264

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 103, 104, 124, 206, 208, 248, 389, 403, 412, 496, 778, 806, 824, 1339, 1556, 1612, 1648, 2678, 3112, 3193, 3224, 5057, 5356, 6224, 6386, 6448, 10114, 10712, 12059, 12772, 20228, 21424, 24118, 25544, 40067, 40456, 41509, 48236, 51088, 80134, 80912, 83018, 96472, 156767, 160268, 166036, 192944, 313534, 320536, 332072, 520871, 627068, 641072, 664144, 1041742, 1242077, 1254136, 2083484, 2484154, 2508272, 4166968, 4968308, 8333936, 9936616, 16147001, 19873232, 32294002, 64588004, 129176008, 258352016]

約数ペア:

[(1, 258352016), (2, 129176008), (4, 64588004), (8, 32294002), (13, 19873232), (16, 16147001), (26, 9936616), (31, 8333936), (52, 4968308), (62, 4166968), (103, 2508272), (104, 2484154), (124, 2083484), (206, 1254136), (208, 1242077), (248, 1041742), (389, 664144), (403, 641072), (412, 627068), (496, 520871), (778, 332072), (806, 320536), (824, 313534), (1339, 192944), (1556, 166036), (1612, 160268), (1648, 156767), (2678, 96472), (3112, 83018), (3193, 80912), (3224, 80134), (5057, 51088), (5356, 48236), (6224, 41509), (6386, 40456), (6448, 40067), (10114, 25544), (10712, 24118), (12059, 21424), (12772, 20228)]