421648

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 30

約数和(自身を含む): 874014

約数和(自身を除く): 452366

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 361, 584, 722, 1168, 1387, 1444, 2774, 2888, 5548, 5776, 11096, 22192, 26353, 52706, 105412, 210824, 421648]

約数ペア:

[(1, 421648), (2, 210824), (4, 105412), (8, 52706), (16, 26353), (19, 22192), (38, 11096), (73, 5776), (76, 5548), (146, 2888), (152, 2774), (292, 1444), (304, 1387), (361, 1168), (584, 722)]