389640378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{6551}}^1$

素因数の和:7010

約数の個数: 32

約数和(自身を含む): 815173632

約数和(自身を除く): 425533254

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 431, 862, 1293, 2586, 6551, 9913, 13102, 19653, 19826, 29739, 39306, 59478, 150673, 301346, 452019, 904038, 2823481, 5646962, 8470443, 16940886, 64940063, 129880126, 194820189, 389640378]

約数ペア:

[(1, 389640378), (2, 194820189), (3, 129880126), (6, 64940063), (23, 16940886), (46, 8470443), (69, 5646962), (138, 2823481), (431, 904038), (862, 452019), (1293, 301346), (2586, 150673), (6551, 59478), (9913, 39306), (13102, 29739), (19653, 19826)]