127538572

素因数分解:

$2^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{1553}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 260419320

約数和(自身を除く): 132880748

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 419, 838, 1553, 1676, 2933, 3106, 5866, 6212, 10871, 11732, 20531, 21742, 41062, 43484, 76097, 82124, 152194, 304388, 650707, 1301414, 2602828, 4554949, 9109898, 18219796, 31884643, 63769286, 127538572]

約数ペア:

[(1, 127538572), (2, 63769286), (4, 31884643), (7, 18219796), (14, 9109898), (28, 4554949), (49, 2602828), (98, 1301414), (196, 650707), (419, 304388), (838, 152194), (1553, 82124), (1676, 76097), (2933, 43484), (3106, 41062), (5866, 21742), (6212, 20531), (10871, 11732)]