396579478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 632282112

約数和(自身を除く): 235702634

約数列:

[1, 2, 23, 46, 83, 166, 241, 431, 482, 862, 1909, 3818, 5543, 9913, 11086, 19826, 20003, 35773, 40006, 71546, 103871, 207742, 460069, 822779, 920138, 1645558, 2389033, 4778066, 8621293, 17242586, 198289739, 396579478]

約数ペア:

[(1, 396579478), (2, 198289739), (23, 17242586), (46, 8621293), (83, 4778066), (166, 2389033), (241, 1645558), (431, 920138), (482, 822779), (862, 460069), (1909, 207742), (3818, 103871), (5543, 71546), (9913, 40006), (11086, 35773), (19826, 20003)]