388967905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1061}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 523013760

約数和(自身を除く): 134045855

約数列:

[1, 5, 17, 19, 85, 95, 227, 323, 1061, 1135, 1615, 3859, 4313, 5305, 18037, 19295, 20159, 21565, 73321, 90185, 100795, 240847, 342703, 366605, 1204235, 1713515, 4094399, 4576093, 20471995, 22880465, 77793581, 388967905]

約数ペア:

[(1, 388967905), (5, 77793581), (17, 22880465), (19, 20471995), (85, 4576093), (95, 4094399), (227, 1713515), (323, 1204235), (1061, 366605), (1135, 342703), (1615, 240847), (3859, 100795), (4313, 90185), (5305, 73321), (18037, 21565), (19295, 20159)]