42481264

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19963}}^1$

素因数の和:19997

約数の個数: 40

約数和(自身を含む): 99021440

約数和(自身を除く): 56540176

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 19963, 39926, 79852, 139741, 159704, 279482, 319408, 379297, 558964, 758594, 1117928, 1517188, 2235856, 2655079, 3034376, 5310158, 6068752, 10620316, 21240632, 42481264]

約数ペア:

[(1, 42481264), (2, 21240632), (4, 10620316), (7, 6068752), (8, 5310158), (14, 3034376), (16, 2655079), (19, 2235856), (28, 1517188), (38, 1117928), (56, 758594), (76, 558964), (112, 379297), (133, 319408), (152, 279482), (266, 159704), (304, 139741), (532, 79852), (1064, 39926), (2128, 19963)]