161645218

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{20879}}^1$

素因数の和:20974

約数の個数: 24

約数和(自身を含む): 285638400

約数和(自身を除く): 123993182

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 3871, 7742, 20879, 41758, 146153, 292306, 1023071, 1649441, 2046142, 3298882, 11546087, 23092174, 80822609, 161645218]

約数ペア:

[(1, 161645218), (2, 80822609), (7, 23092174), (14, 11546087), (49, 3298882), (79, 2046142), (98, 1649441), (158, 1023071), (553, 292306), (1106, 146153), (3871, 41758), (7742, 20879)]