403959998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1\times {\mathrm{6163}}^1$

素因数の和:8699

約数の個数: 16

約数和(自身を含む): 652915536

約数和(自身を除く): 248955538

約数列:

[1, 2, 13, 26, 2521, 5042, 6163, 12326, 32773, 65546, 80119, 160238, 15536923, 31073846, 201979999, 403959998]

約数ペア:

[(1, 403959998), (2, 201979999), (13, 31073846), (26, 15536923), (2521, 160238), (5042, 80119), (6163, 65546), (12326, 32773)]