81220328

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39199}}^1$

素因数の和:39249

約数の個数: 32

約数和(自身を含む): 178752000

約数和(自身を除く): 97531672

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39199, 78398, 156796, 274393, 313592, 548786, 1097572, 1450363, 2195144, 2900726, 5801452, 10152541, 11602904, 20305082, 40610164, 81220328]

約数ペア:

[(1, 81220328), (2, 40610164), (4, 20305082), (7, 11602904), (8, 10152541), (14, 5801452), (28, 2900726), (37, 2195144), (56, 1450363), (74, 1097572), (148, 548786), (259, 313592), (296, 274393), (518, 156796), (1036, 78398), (2072, 39199)]