78972012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{313381}}^1$

素因数の和:313398

約数の個数: 36

約数和(自身を含む): 228142096

約数和(自身を除く): 149170084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 313381, 626762, 940143, 1253524, 1880286, 2193667, 2820429, 3760572, 4387334, 5640858, 6581001, 8774668, 11281716, 13162002, 19743003, 26324004, 39486006, 78972012]

約数ペア:

[(1, 78972012), (2, 39486006), (3, 26324004), (4, 19743003), (6, 13162002), (7, 11281716), (9, 8774668), (12, 6581001), (14, 5640858), (18, 4387334), (21, 3760572), (28, 2820429), (36, 2193667), (42, 1880286), (63, 1253524), (84, 940143), (126, 626762), (252, 313381)]