28201565

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 41181696

約数和(自身を除く): 12980131

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 265, 371, 661, 805, 1219, 1855, 3305, 4627, 6095, 8533, 15203, 23135, 35033, 42665, 76015, 106421, 175165, 245231, 532105, 805759, 1226155, 4028795, 5640313, 28201565]

約数ペア:

[(1, 28201565), (5, 5640313), (7, 4028795), (23, 1226155), (35, 805759), (53, 532105), (115, 245231), (161, 175165), (265, 106421), (371, 76015), (661, 42665), (805, 35033), (1219, 23135), (1855, 15203), (3305, 8533), (4627, 6095)]