81484996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15101}}^1$

素因数の和:15195

約数の個数: 24

約数和(自身を含む): 152228160

約数和(自身を除く): 70743164

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 15101, 30202, 60404, 286919, 573838, 1072171, 1147676, 2144342, 4288684, 20371249, 40742498, 81484996]

約数ペア:

[(1, 81484996), (2, 40742498), (4, 20371249), (19, 4288684), (38, 2144342), (71, 1147676), (76, 1072171), (142, 573838), (284, 286919), (1349, 60404), (2698, 30202), (5396, 15101)]