398420139038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{53222033}}^1$

素因数の和:53222251

約数の個数: 16

約数和(自身を含む): 632277763920

約数和(自身を除く): 233857624882

約数列:

[1, 2, 19, 38, 197, 394, 3743, 7486, 53222033, 106444066, 1011218627, 2022437254, 10484740501, 20969481002, 199210069519, 398420139038]

約数ペア:

[(1, 398420139038), (2, 199210069519), (19, 20969481002), (38, 10484740501), (197, 2022437254), (394, 1011218627), (3743, 106444066), (7486, 53222033)]