171639559

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2683}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 228462080

約数和(自身を除く): 56822521

約数列:

[1, 7, 13, 19, 37, 91, 133, 247, 259, 481, 703, 1729, 2683, 3367, 4921, 9139, 18781, 34879, 50977, 63973, 99271, 244153, 356839, 662701, 694897, 1290523, 1886149, 4638907, 9033661, 13203043, 24519937, 171639559]

約数ペア:

[(1, 171639559), (7, 24519937), (13, 13203043), (19, 9033661), (37, 4638907), (91, 1886149), (133, 1290523), (247, 694897), (259, 662701), (481, 356839), (703, 244153), (1729, 99271), (2683, 63973), (3367, 50977), (4921, 34879), (9139, 18781)]