1643279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 16

約数和(自身を含む): 1904640

約数和(自身を除く): 261361

約数列:

[1, 11, 31, 61, 79, 341, 671, 869, 1891, 2449, 4819, 20801, 26939, 53009, 149389, 1643279]

約数ペア:

[(1, 1643279), (11, 149389), (31, 53009), (61, 26939), (79, 20801), (341, 4819), (671, 2449), (869, 1891)]