397883978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{64237}}^1$

素因数の和:64421

約数の個数: 16

約数和(自身を含む): 632101920

約数和(自身を除く): 234217942

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 64237, 128474, 1220503, 2441006, 10470631, 20941262, 198941989, 397883978]

約数ペア:

[(1, 397883978), (2, 198941989), (19, 20941262), (38, 10470631), (163, 2441006), (326, 1220503), (3097, 128474), (6194, 64237)]