16409519995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 22461183360

約数和(自身を除く): 6051663365

約数列:

[1, 5, 11, 41, 55, 101, 109, 205, 451, 505, 545, 661, 1111, 1199, 2255, 3305, 4141, 4469, 5555, 5995, 7271, 11009, 20705, 22345, 27101, 36355, 45551, 49159, 55045, 66761, 72049, 121099, 135505, 227755, 245795, 298111, 333805, 360245, 451369, 605495, 734371, 792539, 1490555, 2256845, 2737201, 2954009, 3671855, 3962695, 4965059, 7276949, 13686005, 14770045, 24825295, 30109211, 32494099, 36384745, 80046439, 150546055, 162470495, 298354909, 400232195, 1491774545, 3281903999, 16409519995]

約数ペア:

[(1, 16409519995), (5, 3281903999), (11, 1491774545), (41, 400232195), (55, 298354909), (101, 162470495), (109, 150546055), (205, 80046439), (451, 36384745), (505, 32494099), (545, 30109211), (661, 24825295), (1111, 14770045), (1199, 13686005), (2255, 7276949), (3305, 4965059), (4141, 3962695), (4469, 3671855), (5555, 2954009), (5995, 2737201), (7271, 2256845), (11009, 1490555), (20705, 792539), (22345, 734371), (27101, 605495), (36355, 451369), (45551, 360245), (49159, 333805), (55045, 298111), (66761, 245795), (72049, 227755), (121099, 135505)]