1289913505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{370133}}^1$

素因数の和:370196

約数の個数: 16

約数和(自身を含む): 1678927824

約数和(自身を除く): 389014319

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 370133, 1850665, 6292261, 15175453, 31461305, 75877265, 257982701, 1289913505]

約数ペア:

[(1, 1289913505), (5, 257982701), (17, 75877265), (41, 31461305), (85, 15175453), (205, 6292261), (697, 1850665), (3485, 370133)]