81938064

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131311}}^1$

素因数の和:131335

約数の個数: 40

約数和(自身を含む): 227957632

約数和(自身を除く): 146019568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 131311, 262622, 393933, 525244, 787866, 1050488, 1575732, 1707043, 2100976, 3151464, 3414086, 5121129, 6302928, 6828172, 10242258, 13656344, 20484516, 27312688, 40969032, 81938064]

約数ペア:

[(1, 81938064), (2, 40969032), (3, 27312688), (4, 20484516), (6, 13656344), (8, 10242258), (12, 6828172), (13, 6302928), (16, 5121129), (24, 3414086), (26, 3151464), (39, 2100976), (48, 1707043), (52, 1575732), (78, 1050488), (104, 787866), (156, 525244), (208, 393933), (312, 262622), (624, 131311)]