420047582

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 663552000

約数和(自身を除く): 243504418

約数列:

[1, 2, 31, 62, 79, 158, 191, 382, 449, 898, 2449, 4898, 5921, 11842, 13919, 15089, 27838, 30178, 35471, 70942, 85759, 171518, 467759, 935518, 1099601, 2199202, 2658529, 5317058, 6774961, 13549922, 210023791, 420047582]

約数ペア:

[(1, 420047582), (2, 210023791), (31, 13549922), (62, 6774961), (79, 5317058), (158, 2658529), (191, 2199202), (382, 1099601), (449, 935518), (898, 467759), (2449, 171518), (4898, 85759), (5921, 70942), (11842, 35471), (13919, 30178), (15089, 27838)]