42192278

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:991

約数の個数: 16

約数和(自身を含む): 64080720

約数和(自身を除く): 21888442

約数列:

[1, 2, 173, 197, 346, 394, 619, 1238, 34081, 68162, 107087, 121943, 214174, 243886, 21096139, 42192278]

約数ペア:

[(1, 42192278), (2, 21096139), (173, 243886), (197, 214174), (346, 121943), (394, 107087), (619, 68162), (1238, 34081)]