168420329

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 222842880

約数和(自身を除く): 54422551

約数列:

[1, 7, 11, 23, 61, 77, 161, 253, 427, 671, 1403, 1559, 1771, 4697, 9821, 10913, 15433, 17149, 35857, 95099, 108031, 120043, 250999, 394427, 665693, 1046089, 2187277, 2760989, 7322623, 15310939, 24060047, 168420329]

約数ペア:

[(1, 168420329), (7, 24060047), (11, 15310939), (23, 7322623), (61, 2760989), (77, 2187277), (161, 1046089), (253, 665693), (427, 394427), (671, 250999), (1403, 120043), (1559, 108031), (1771, 95099), (4697, 35857), (9821, 17149), (10913, 15433)]