81434704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3659}}^1$

素因数の和:3787

約数の個数: 40

約数和(自身を含む): 171551520

約数和(自身を除く): 90116816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 3659, 5564, 7318, 11128, 14636, 22256, 29272, 47567, 58544, 95134, 190268, 380536, 391513, 761072, 783026, 1566052, 3132104, 5089669, 6264208, 10179338, 20358676, 40717352, 81434704]

約数ペア:

[(1, 81434704), (2, 40717352), (4, 20358676), (8, 10179338), (13, 6264208), (16, 5089669), (26, 3132104), (52, 1566052), (104, 783026), (107, 761072), (208, 391513), (214, 380536), (428, 190268), (856, 95134), (1391, 58544), (1712, 47567), (2782, 29272), (3659, 22256), (5564, 14636), (7318, 11128)]