397293838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{66593}}^1$

素因数の和:66771

約数の個数: 16

約数和(自身を含む): 631311120

約数和(自身を除く): 234017282

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 66593, 133186, 1265267, 2530534, 10455101, 20910202, 198646919, 397293838]

約数ペア:

[(1, 397293838), (2, 198646919), (19, 20910202), (38, 10455101), (157, 2530534), (314, 1265267), (2983, 133186), (5966, 66593)]