161818236

素因数分解:

$2^2\times 3^4\times {\mathrm{499439}}^1$

素因数の和:499455

約数の個数: 30

約数和(自身を含む): 423025680

約数和(自身を除く): 261207444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 499439, 998878, 1498317, 1997756, 2996634, 4494951, 5993268, 8989902, 13484853, 17979804, 26969706, 40454559, 53939412, 80909118, 161818236]

約数ペア:

[(1, 161818236), (2, 80909118), (3, 53939412), (4, 40454559), (6, 26969706), (9, 17979804), (12, 13484853), (18, 8989902), (27, 5993268), (36, 4494951), (54, 2996634), (81, 1997756), (108, 1498317), (162, 998878), (324, 499439)]