72180895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 96033600

約数和(自身を除く): 23852705

約数列:

[1, 5, 17, 37, 59, 85, 185, 295, 389, 629, 1003, 1945, 2183, 3145, 5015, 6613, 10915, 14393, 22951, 33065, 37111, 71965, 114755, 185555, 244681, 390167, 849187, 1223405, 1950835, 4245935, 14436179, 72180895]

約数ペア:

[(1, 72180895), (5, 14436179), (17, 4245935), (37, 1950835), (59, 1223405), (85, 849187), (185, 390167), (295, 244681), (389, 185555), (629, 114755), (1003, 71965), (1945, 37111), (2183, 33065), (3145, 22951), (5015, 14393), (6613, 10915)]