204401392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51721}}^1$

素因数の和:51761

約数の個数: 40

約数和(自身を含む): 448946960

約数和(自身を除く): 244545568

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 51721, 103442, 206884, 413768, 672373, 827536, 982699, 1344746, 1965398, 2689492, 3930796, 5378984, 7861592, 10757968, 12775087, 15723184, 25550174, 51100348, 102200696, 204401392]

約数ペア:

[(1, 204401392), (2, 102200696), (4, 51100348), (8, 25550174), (13, 15723184), (16, 12775087), (19, 10757968), (26, 7861592), (38, 5378984), (52, 3930796), (76, 2689492), (104, 1965398), (152, 1344746), (208, 982699), (247, 827536), (304, 672373), (494, 413768), (988, 206884), (1976, 103442), (3952, 51721)]