188840392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 404107200

約数和(自身を除く): 215266808

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 227, 247, 421, 454, 494, 842, 908, 988, 1684, 1816, 1976, 2951, 3368, 4313, 5473, 5902, 7999, 8626, 10946, 11804, 15998, 17252, 21892, 23608, 31996, 34504, 43784, 56069, 63992, 95567, 103987, 112138, 191134, 207974, 224276, 382268, 415948, 448552, 764536, 831896, 1242371, 1815773, 2484742, 3631546, 4969484, 7263092, 9938968, 14526184, 23605049, 47210098, 94420196, 188840392]

約数ペア:

[(1, 188840392), (2, 94420196), (4, 47210098), (8, 23605049), (13, 14526184), (19, 9938968), (26, 7263092), (38, 4969484), (52, 3631546), (76, 2484742), (104, 1815773), (152, 1242371), (227, 831896), (247, 764536), (421, 448552), (454, 415948), (494, 382268), (842, 224276), (908, 207974), (988, 191134), (1684, 112138), (1816, 103987), (1976, 95567), (2951, 63992), (3368, 56069), (4313, 43784), (5473, 34504), (5902, 31996), (7999, 23608), (8626, 21892), (10946, 17252), (11804, 15998)]