4380145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 6782976

約数和(自身を除く): 2402831

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 367, 385, 1085, 1705, 1835, 2387, 2569, 4037, 11377, 11935, 12845, 20185, 28259, 56885, 79639, 125147, 141295, 398195, 625735, 876029, 4380145]

約数ペア:

[(1, 4380145), (5, 876029), (7, 625735), (11, 398195), (31, 141295), (35, 125147), (55, 79639), (77, 56885), (155, 28259), (217, 20185), (341, 12845), (367, 11935), (385, 11377), (1085, 4037), (1705, 2569), (1835, 2387)]