156980829608

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{19800811}}^1$

素因数の和:19801808

約数の個数: 16

約数和(自身を含む): 294636082560

約数和(自身を除く): 137655252952

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 19800811, 39601622, 79203244, 158406488, 19622603701, 39245207402, 78490414804, 156980829608]

約数ペア:

[(1, 156980829608), (2, 78490414804), (4, 39245207402), (8, 19622603701), (991, 158406488), (1982, 79203244), (3964, 39601622), (7928, 19800811)]