880709905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{1361}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 1172060928

約数和(自身を除く): 291351023

約数列:

[1, 5, 17, 23, 85, 115, 331, 391, 1361, 1655, 1955, 5627, 6805, 7613, 23137, 28135, 31303, 38065, 115685, 129421, 156515, 450491, 532151, 647105, 2252455, 2660755, 7658347, 10361293, 38291735, 51806465, 176141981, 880709905]

約数ペア:

[(1, 880709905), (5, 176141981), (17, 51806465), (23, 38291735), (85, 10361293), (115, 7658347), (331, 2660755), (391, 2252455), (1361, 647105), (1655, 532151), (1955, 450491), (5627, 156515), (6805, 129421), (7613, 115685), (23137, 38065), (28135, 31303)]