991409221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1\times {\mathrm{1619}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 1091750400

約数和(自身を除く): 100341179

約数列:

[1, 11, 179, 311, 1619, 1969, 3421, 17809, 55669, 289801, 503509, 612359, 3187811, 5538599, 90128111, 991409221]

約数ペア:

[(1, 991409221), (11, 90128111), (179, 5538599), (311, 3187811), (1619, 612359), (1969, 503509), (3421, 289801), (17809, 55669)]