17771104990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{222389}}^1$

素因数の和:222588

約数の個数: 32

約数和(自身を含む): 32760715680

約数和(自身を除く): 14989610690

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 655, 1310, 7991, 15982, 39955, 79910, 222389, 444778, 1111945, 2223890, 13565729, 27131458, 29132959, 58265918, 67828645, 135657290, 145664795, 291329590, 1777110499, 3554220998, 8885552495, 17771104990]

約数ペア:

[(1, 17771104990), (2, 8885552495), (5, 3554220998), (10, 1777110499), (61, 291329590), (122, 145664795), (131, 135657290), (262, 67828645), (305, 58265918), (610, 29132959), (655, 27131458), (1310, 13565729), (7991, 2223890), (15982, 1111945), (39955, 444778), (79910, 222389)]