1639296738

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{645901}}^1$

素因数の和:645959

約数の個数: 32

約数和(自身を含む): 3720395520

約数和(自身を除く): 2081098782

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 645901, 1291802, 1937703, 3875406, 5813109, 11626218, 17439327, 30357347, 34878654, 60714694, 91072041, 182144082, 273216123, 546432246, 819648369, 1639296738]

約数ペア:

[(1, 1639296738), (2, 819648369), (3, 546432246), (6, 273216123), (9, 182144082), (18, 91072041), (27, 60714694), (47, 34878654), (54, 30357347), (94, 17439327), (141, 11626218), (282, 5813109), (423, 3875406), (846, 1937703), (1269, 1291802), (2538, 645901)]