131205515

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 187536384

約数和(自身を除く): 56330869

約数列:

[1, 5, 7, 35, 37, 71, 185, 259, 355, 497, 1295, 1427, 2485, 2627, 7135, 9989, 13135, 18389, 49945, 52799, 91945, 101317, 263995, 369593, 506585, 709219, 1847965, 3546095, 3748729, 18743645, 26241103, 131205515]

約数ペア:

[(1, 131205515), (5, 26241103), (7, 18743645), (35, 3748729), (37, 3546095), (71, 1847965), (185, 709219), (259, 506585), (355, 369593), (497, 263995), (1295, 101317), (1427, 91945), (2485, 52799), (2627, 49945), (7135, 18389), (9989, 13135)]