138875345

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 200344320

約数和(自身を除く): 61468975

約数列:

[1, 5, 7, 29, 35, 61, 145, 203, 305, 427, 1015, 1769, 2135, 2243, 8845, 11215, 12383, 15701, 61915, 65047, 78505, 136823, 325235, 455329, 684115, 957761, 2276645, 3967867, 4788805, 19839335, 27775069, 138875345]

約数ペア:

[(1, 138875345), (5, 27775069), (7, 19839335), (29, 4788805), (35, 3967867), (61, 2276645), (145, 957761), (203, 684115), (305, 455329), (427, 325235), (1015, 136823), (1769, 78505), (2135, 65047), (2243, 61915), (8845, 15701), (11215, 12383)]