78869812

素因数分解:

$2^2\times 7^2\times {\mathrm{349}}^1\times {\mathrm{1153}}^1$

素因数の和:1520

約数の個数: 36

約数和(自身を含む): 161156100

約数和(自身を除く): 82286288

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 349, 698, 1153, 1396, 2306, 2443, 4612, 4886, 8071, 9772, 16142, 17101, 32284, 34202, 56497, 68404, 112994, 225988, 402397, 804794, 1609588, 2816779, 5633558, 11267116, 19717453, 39434906, 78869812]

約数ペア:

[(1, 78869812), (2, 39434906), (4, 19717453), (7, 11267116), (14, 5633558), (28, 2816779), (49, 1609588), (98, 804794), (196, 402397), (349, 225988), (698, 112994), (1153, 68404), (1396, 56497), (2306, 34202), (2443, 32284), (4612, 17101), (4886, 16142), (8071, 9772)]