81032770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12721}}^1$

素因数の和:12755

約数の個数: 48

約数和(自身を含む): 182738808

約数和(自身を除く): 101706038

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 12721, 25442, 63605, 89047, 127210, 165373, 178094, 330746, 445235, 623329, 826865, 890470, 1157611, 1246658, 1653730, 2315222, 3116645, 5788055, 6233290, 8103277, 11576110, 16206554, 40516385, 81032770]

約数ペア:

[(1, 81032770), (2, 40516385), (5, 16206554), (7, 11576110), (10, 8103277), (13, 6233290), (14, 5788055), (26, 3116645), (35, 2315222), (49, 1653730), (65, 1246658), (70, 1157611), (91, 890470), (98, 826865), (130, 623329), (182, 445235), (245, 330746), (455, 178094), (490, 165373), (637, 127210), (910, 89047), (1274, 63605), (3185, 25442), (6370, 12721)]