408054241

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 509771520

約数和(自身を除く): 101717279

約数列:

[1, 7, 19, 37, 101, 133, 259, 703, 707, 821, 1919, 3737, 4921, 5747, 13433, 15599, 26159, 30377, 71003, 82921, 109193, 212639, 497021, 577163, 580447, 1575499, 3068077, 4040141, 11028493, 21476539, 58293463, 408054241]

約数ペア:

[(1, 408054241), (7, 58293463), (19, 21476539), (37, 11028493), (101, 4040141), (133, 3068077), (259, 1575499), (703, 580447), (707, 577163), (821, 497021), (1919, 212639), (3737, 109193), (4921, 82921), (5747, 71003), (13433, 30377), (15599, 26159)]