68677648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10651}}^1$

素因数の和:10703

約数の個数: 40

約数和(自身を含む): 147934976

約数和(自身を除く): 79257328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 10651, 21302, 42604, 85208, 138463, 170416, 276926, 330181, 553852, 660362, 1107704, 1320724, 2215408, 2641448, 4292353, 5282896, 8584706, 17169412, 34338824, 68677648]

約数ペア:

[(1, 68677648), (2, 34338824), (4, 17169412), (8, 8584706), (13, 5282896), (16, 4292353), (26, 2641448), (31, 2215408), (52, 1320724), (62, 1107704), (104, 660362), (124, 553852), (208, 330181), (248, 276926), (403, 170416), (496, 138463), (806, 85208), (1612, 42604), (3224, 21302), (6448, 10651)]