253219408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 550964736

約数和(自身を除く): 297745328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 173, 208, 227, 248, 346, 403, 454, 496, 692, 806, 908, 1384, 1612, 1816, 2249, 2768, 2951, 3224, 3632, 4498, 5363, 5902, 6448, 7037, 8996, 10726, 11804, 14074, 17992, 21452, 23608, 28148, 35984, 39271, 42904, 47216, 56296, 69719, 78542, 85808, 91481, 112592, 139438, 157084, 182962, 278876, 314168, 365924, 510523, 557752, 628336, 731848, 1021046, 1115504, 1217401, 1463696, 2042092, 2434802, 4084184, 4869604, 8168368, 9739208, 15826213, 19478416, 31652426, 63304852, 126609704, 253219408]

約数ペア:

[(1, 253219408), (2, 126609704), (4, 63304852), (8, 31652426), (13, 19478416), (16, 15826213), (26, 9739208), (31, 8168368), (52, 4869604), (62, 4084184), (104, 2434802), (124, 2042092), (173, 1463696), (208, 1217401), (227, 1115504), (248, 1021046), (346, 731848), (403, 628336), (454, 557752), (496, 510523), (692, 365924), (806, 314168), (908, 278876), (1384, 182962), (1612, 157084), (1816, 139438), (2249, 112592), (2768, 91481), (2951, 85808), (3224, 78542), (3632, 69719), (4498, 56296), (5363, 47216), (5902, 42904), (6448, 39271), (7037, 35984), (8996, 28148), (10726, 23608), (11804, 21452), (14074, 17992)]