28841274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20809}}^1$

素因数の和:20835

約数の個数: 48

約数和(自身を含む): 77912640

約数和(自身を除く): 49071366

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20809, 41618, 62427, 124854, 145663, 187281, 228899, 291326, 374562, 436989, 457798, 686697, 873978, 1310967, 1373394, 1602293, 2060091, 2621934, 3204586, 4120182, 4806879, 9613758, 14420637, 28841274]

約数ペア:

[(1, 28841274), (2, 14420637), (3, 9613758), (6, 4806879), (7, 4120182), (9, 3204586), (11, 2621934), (14, 2060091), (18, 1602293), (21, 1373394), (22, 1310967), (33, 873978), (42, 686697), (63, 457798), (66, 436989), (77, 374562), (99, 291326), (126, 228899), (154, 187281), (198, 145663), (231, 124854), (462, 62427), (693, 41618), (1386, 20809)]